2003 GMC Sierra 1500 Catalytic Converter
Browse our online catalogue to find original replacement Catalytic Converters specifically designed to fit a 2003 GMC Sierra 1500.

2003 GMC Sierra 1500 Catalytic Converter
$478.64
$201.81
10+ In Stock
Condition: New
Ships: Wednesday Feb. 18th
Pick-Up: Ready in 1 Hour Tuesday Feb. 17th
Pick-Up: Ready in 1 Hour Tuesday Feb. 17th
Left (Driver Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0);
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0);
Vehicle Fitment Notes:
with Federal/California Emissions System Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Ultra Universal Type Modifications and/or Additional Parts May Be Required for Installation
with Federal/California Emissions System Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Ultra Universal Type Modifications and/or Additional Parts May Be Required for Installation

2003 GMC Sierra 1500 Catalytic Converter
$478.64
$201.81
10+ In Stock
Condition: New
Ships: Wednesday Feb. 18th
Pick-Up: Ready in 1 Hour Tuesday Feb. 17th
Pick-Up: Ready in 1 Hour Tuesday Feb. 17th
Left (Driver Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Vehicle Fitment Notes:
with Federal/California Emissions System Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Ultra Universal Type Modifications and/or Additional Parts May Be Required for Installation
with Federal/California Emissions System Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Ultra Universal Type Modifications and/or Additional Parts May Be Required for Installation

2003 GMC Sierra 1500 Catalytic Converter
$478.64
$201.81
10+ In Stock
Condition: New
Ships: Wednesday Feb. 18th
Pick-Up: Ready in 1 Hour Tuesday Feb. 17th
Pick-Up: Ready in 1 Hour Tuesday Feb. 17th
Right (Passenger Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0);
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0);
Vehicle Fitment Notes:
with Federal/California Emissions System Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Ultra Universal Type Modifications and/or Additional Parts May Be Required for Installation
with Federal/California Emissions System Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Ultra Universal Type Modifications and/or Additional Parts May Be Required for Installation

2003 GMC Sierra 1500 Catalytic Converter
$478.64
$201.81
10+ In Stock
Condition: New
Ships: Wednesday Feb. 18th
Pick-Up: Ready in 1 Hour Tuesday Feb. 17th
Pick-Up: Ready in 1 Hour Tuesday Feb. 17th
Right (Passenger Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Vehicle Fitment Notes:
with Federal/California Emissions System Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Ultra Universal Type Modifications and/or Additional Parts May Be Required for Installation
with Federal/California Emissions System Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Ultra Universal Type Modifications and/or Additional Parts May Be Required for Installation

2003 GMC Sierra 1500 Catalytic Converter
$1,220.77
$784.31
In Stock
Condition: New
Ships: Wednesday Feb. 18th
Pick-Up: Ready in 1 Hour Tuesday Feb. 17th
Pick-Up: Ready in 1 Hour Tuesday Feb. 17th
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4);
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4);
Vehicle Fitment Notes:
with Federal/California Emissions System Exhaust Gasket is Recommended Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Ultra Direct Fit Type
with Federal/California Emissions System Exhaust Gasket is Recommended Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Ultra Direct Fit Type

2003 GMC Sierra 1500 Catalytic Converter
$1,220.77
$784.31
In Stock
Condition: New
Ships: Wednesday Feb. 18th
Pick-Up: Ready in 1 Hour Tuesday Feb. 17th
Pick-Up: Ready in 1 Hour Tuesday Feb. 17th
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0);
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0);
Vehicle Fitment Notes:
with California Emissions System Low Emission Vehicle (LEV) Exhaust Gasket is Recommended Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Ultra Direct Fit Type
with California Emissions System Low Emission Vehicle (LEV) Exhaust Gasket is Recommended Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Ultra Direct Fit Type

2003 GMC Sierra 1500 Catalytic Converter
$1,263.71
$827.44
In Stock
Condition: New
Ships: Wednesday Feb. 18th
Pick-Up: Ready in 1 Hour Tuesday Feb. 17th
Pick-Up: Ready in 1 Hour Tuesday Feb. 17th
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0);
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0);
Vehicle Fitment Notes:
with Federal Tier 1 Emissions System Exhaust Gasket is Recommended Additional Part(s) Needed To Complete Installation: 31554 Includes Left Front Gasket Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Ultra Direct Fit Type
with Federal Tier 1 Emissions System Exhaust Gasket is Recommended Additional Part(s) Needed To Complete Installation: 31554 Includes Left Front Gasket Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Ultra Direct Fit Type

2003 GMC Sierra 1500 Catalytic Converter
$1,263.71
$827.44
In Stock
Condition: New
Ships: Wednesday Feb. 18th
Pick-Up: Ready in 1 Hour Tuesday Feb. 17th
Pick-Up: Ready in 1 Hour Tuesday Feb. 17th
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Vehicle Fitment Notes:
with Federal Emissions System except Low Emission Vehicle (LEV) Exhaust Gasket is Recommended Additional Part(s) Needed To Complete Installation: 31554 Includes Left Front Gasket Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Ultra Direct Fit Type
with Federal Emissions System except Low Emission Vehicle (LEV) Exhaust Gasket is Recommended Additional Part(s) Needed To Complete Installation: 31554 Includes Left Front Gasket Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Ultra Direct Fit Type

2003 GMC Sierra 1500 Catalytic Converter
$357.00
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Number of Doors: 4; Body Type: Extended Cab Pickup; Drive Type: AWD; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Fuel Type: GAS; Region: Canada; Sub-Model: Denali;
Number of Doors: 4; Body Type: Extended Cab Pickup; Drive Type: AWD; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Fuel Type: GAS; Region: Canada; Sub-Model: Denali;
Vehicle Fitment Notes:
Right side
Right side

2003 GMC Sierra 1500 Catalytic Converter
$357.00
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Number of Doors: 4; Body Type: Extended Cab Pickup; Drive Type: AWD; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Fuel Type: GAS; Region: United States; Sub-Model: Denali;
Number of Doors: 4; Body Type: Extended Cab Pickup; Drive Type: AWD; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Fuel Type: GAS; Region: United States; Sub-Model: Denali;
Vehicle Fitment Notes:
Right side
Right side

2003 GMC Sierra 1500 Catalytic Converter
$357.00
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Number of Doors: 4; Body Type: Extended Cab Pickup; Drive Type: AWD; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Region: Canada; Sub-Model: Denali;
Number of Doors: 4; Body Type: Extended Cab Pickup; Drive Type: AWD; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Region: Canada; Sub-Model: Denali;
Vehicle Fitment Notes:
Right side
Right side

2003 GMC Sierra 1500 Catalytic Converter
$357.00
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Number of Doors: 4; Body Type: Extended Cab Pickup; Drive Type: AWD; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Region: United States; Sub-Model: Denali;
Number of Doors: 4; Body Type: Extended Cab Pickup; Drive Type: AWD; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Region: United States; Sub-Model: Denali;
Vehicle Fitment Notes:
Right side
Right side

2003 GMC Sierra 1500 Catalytic Converter
$357.00
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Right (Passenger Side)
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Number of Doors: 4; Body Type: Extended Cab Pickup; Drive Type: AWD; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Fuel Type: GAS; Region: Canada; Sub-Model: Denali;
Number of Doors: 4; Body Type: Extended Cab Pickup; Drive Type: AWD; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Fuel Type: GAS; Region: Canada; Sub-Model: Denali;
Vehicle Fitment Notes:
Right side
Right side

2003 GMC Sierra 1500 Catalytic Converter
$357.00
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Right (Passenger Side)
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Number of Doors: 4; Body Type: Extended Cab Pickup; Drive Type: AWD; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Fuel Type: GAS; Region: United States; Sub-Model: Denali;
Number of Doors: 4; Body Type: Extended Cab Pickup; Drive Type: AWD; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Fuel Type: GAS; Region: United States; Sub-Model: Denali;
Vehicle Fitment Notes:
Right side
Right side

2003 GMC Sierra 1500 Catalytic Converter
$357.00
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Right (Passenger Side)
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Number of Doors: 4; Body Type: Extended Cab Pickup; Drive Type: AWD; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Region: Canada; Sub-Model: Denali;
Number of Doors: 4; Body Type: Extended Cab Pickup; Drive Type: AWD; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Region: Canada; Sub-Model: Denali;
Vehicle Fitment Notes:
Right side
Right side

2003 GMC Sierra 1500 Catalytic Converter
$357.00
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Right (Passenger Side)
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Number of Doors: 4; Body Type: Extended Cab Pickup; Drive Type: AWD; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Region: United States; Sub-Model: Denali;
Number of Doors: 4; Body Type: Extended Cab Pickup; Drive Type: AWD; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Region: United States; Sub-Model: Denali;
Vehicle Fitment Notes:
Right side
Right side
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: Base;
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: Base;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: SL;
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: SL;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: SLE;
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: SLE;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: SLT;
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: SLT;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: WT;
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: WT;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: Base;
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: Base;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: SL;
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: SL;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: SLE;
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: SLE;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: SLT;
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: SLT;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: WT;
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: WT;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: Base;
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: Base;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: SL;
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: SL;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: SLE;
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: SLE;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: SLT;
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: SLT;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: WT;
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: WT;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: Base;
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: Base;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: SL;
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: SL;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: SLE;
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: SLE;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: SLT;
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: SLT;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: WT;
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: WT;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: Base;
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: Base;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: SL;
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: SL;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: SLE;
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: SLE;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: SLT;
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: SLT;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: WT;
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: WT;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: Base;
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: Base;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: SL;
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: SL;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: SLE;
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: SLE;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: SLT;
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: SLT;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: WT;
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: WT;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: Base;
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: Base;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: SL;
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: SL;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: SLE;
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: SLE;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: SLT;
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: SLT;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: WT;
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: WT;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: Base;
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: Base;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: SL;
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: SL;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: SLE;
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: SLE;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: SLT;
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: SLT;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: WT;
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: WT;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: Base;
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: Base;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: SL;
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: SL;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: SLE;
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: SLE;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: SLT;
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: SLT;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: WT;
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: WT;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: Base;
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: Base;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: SL;
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: SL;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: SLE;
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: SLE;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: SLT;
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: SLT;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: WT;
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: WT;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: Base;
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: Base;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: SL;
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: SL;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: SLE;
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: SLE;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: SLT;
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: SLT;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: WT;
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: WT;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: Base;
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: Base;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: SL;
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: SL;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: SLE;
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: SLE;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: SLT;
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: SLT;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: WT;
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: WT;
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: Base;
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: Base;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: SL;
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: SL;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: SLE;
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: SLE;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: SLT;
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: SLT;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: WT;
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: WT;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: Base;
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: Base;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: SL;
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: SL;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: SLE;
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: SLE;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: SLT;
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: SLT;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: WT;
Drive Type: 4WD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: WT;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: Base;
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: Base;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: SL;
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: SL;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: SLE;
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: SLE;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: SLT;
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: SLT;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: WT;
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: WT;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: Base;
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: Base;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: SL;
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: SL;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: SLE;
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: SLE;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: SLT;
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: SLT;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: WT;
Drive Type: 4WD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: WT;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: Base;
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: Base;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: SL;
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: SL;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: SLE;
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: SLE;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover)
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover)
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: SLT;
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: SLT;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover)
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover)
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: WT;
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: WT;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover)
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover)
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: Base;
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: Base;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: SL;
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: SL;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: SLE;
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: SLE;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover)
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover)
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: SLT;
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: SLT;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover)
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover)
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: WT;
Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: WT;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover)
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover)
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: Base;
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: Base;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: SL;
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: SL;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: SLE;
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: SLE;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: SLT;
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: SLT;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: WT;
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: Canada; Sub-Model: WT;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: Base;
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: Base;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: SL;
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: SL;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: SLE;
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: SLE;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: SLT;
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: SLT;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: WT;
Drive Type: RWD; Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Region: United States; Sub-Model: WT;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: Base;
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: Base;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: SL;
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: SL;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: SLE;
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: SLE;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: SLT;
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: SLT;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: WT;
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: Canada; Sub-Model: WT;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: Base;
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: Base;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: SL;
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: SL;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: SLE;
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: SLE;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: SLT;
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: SLT;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: WT;
Drive Type: RWD; Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Region: United States; Sub-Model: WT;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: Base;
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: Base;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: SL;
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: SL;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: SLE;
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: SLE;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover)
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover)
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: SLT;
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: SLT;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover)
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover)
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: WT;
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada; Sub-Model: WT;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover)
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover)
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: Base;
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: Base;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: SL;
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: SL;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover) FROM 7/01
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: SLE;
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: SLE;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover)
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover)
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: SLT;
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: SLT;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover)
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover)
2003 GMC Sierra 1500 Catalytic Converter
$523.75
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: WT;
Drive Type: RWD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: WT;
Vehicle Fitment Notes:
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover)
(OEM Rear O2 9.5" in front of rear flange and flattened at the crossover)
2003 GMC Sierra 1500 Catalytic Converter
$413.39
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Number of Doors: 4; Body Type: Extended Cab Pickup; Drive Type: AWD; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Fuel Type: GAS; Region: Canada; Sub-Model: Denali;
Number of Doors: 4; Body Type: Extended Cab Pickup; Drive Type: AWD; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Fuel Type: GAS; Region: Canada; Sub-Model: Denali;
Vehicle Fitment Notes:
Left side
Left side
2003 GMC Sierra 1500 Catalytic Converter
$413.39
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Number of Doors: 4; Body Type: Extended Cab Pickup; Drive Type: AWD; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Fuel Type: GAS; Region: United States; Sub-Model: Denali;
Number of Doors: 4; Body Type: Extended Cab Pickup; Drive Type: AWD; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Fuel Type: GAS; Region: United States; Sub-Model: Denali;
Vehicle Fitment Notes:
Left side
Left side
2003 GMC Sierra 1500 Catalytic Converter
$413.39
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Number of Doors: 4; Body Type: Extended Cab Pickup; Drive Type: AWD; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Region: Canada; Sub-Model: Denali;
Number of Doors: 4; Body Type: Extended Cab Pickup; Drive Type: AWD; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Region: Canada; Sub-Model: Denali;
Vehicle Fitment Notes:
Left side
Left side
2003 GMC Sierra 1500 Catalytic Converter
$413.39
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Number of Doors: 4; Body Type: Extended Cab Pickup; Drive Type: AWD; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Region: United States; Sub-Model: Denali;
Number of Doors: 4; Body Type: Extended Cab Pickup; Drive Type: AWD; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Region: United States; Sub-Model: Denali;
Vehicle Fitment Notes:
Left side
Left side
2003 GMC Sierra 1500 Catalytic Converter
$413.39
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Left (Driver Side)
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Number of Doors: 4; Body Type: Extended Cab Pickup; Drive Type: AWD; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Fuel Type: GAS; Region: Canada; Sub-Model: Denali;
Number of Doors: 4; Body Type: Extended Cab Pickup; Drive Type: AWD; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Fuel Type: GAS; Region: Canada; Sub-Model: Denali;
Vehicle Fitment Notes:
Left side
Left side
2003 GMC Sierra 1500 Catalytic Converter
$413.39
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Left (Driver Side)
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Number of Doors: 4; Body Type: Extended Cab Pickup; Drive Type: AWD; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Fuel Type: GAS; Region: United States; Sub-Model: Denali;
Number of Doors: 4; Body Type: Extended Cab Pickup; Drive Type: AWD; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Fuel Type: GAS; Region: United States; Sub-Model: Denali;
Vehicle Fitment Notes:
Left side
Left side
2003 GMC Sierra 1500 Catalytic Converter
$413.39
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Left (Driver Side)
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Number of Doors: 4; Body Type: Extended Cab Pickup; Drive Type: AWD; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Region: Canada; Sub-Model: Denali;
Number of Doors: 4; Body Type: Extended Cab Pickup; Drive Type: AWD; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Region: Canada; Sub-Model: Denali;
Vehicle Fitment Notes:
Left side
Left side
2003 GMC Sierra 1500 Catalytic Converter
$413.39
In Stock
Condition: New
Ships: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Pick-Up: in 1-2 Business Days
Left (Driver Side)
Required Per Vehicle: 1
Made in Canada
Fits: 2003 GMC Sierra 1500
Equipped With:
Number of Doors: 4; Body Type: Extended Cab Pickup; Drive Type: AWD; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Region: United States; Sub-Model: Denali;
Number of Doors: 4; Body Type: Extended Cab Pickup; Drive Type: AWD; Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Region: United States; Sub-Model: Denali;
Vehicle Fitment Notes:
Left side
Left side

2003 GMC Sierra 1500 Catalytic Converter
$511.52
$277.70
Out of Stock
Condition: New
Left (Driver Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0);
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-47 Engine Family Number (EFN) 3GMXT05.3183 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
CARB Executive Order D-182-47 Engine Family Number (EFN) 3GMXT05.3183 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation

2003 GMC Sierra 1500 Catalytic Converter
$511.52
$277.70
Out of Stock
Condition: New
Left (Driver Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0);
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-47 Engine Family Number (EFN) 3GMXT05.3184 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
CARB Executive Order D-182-47 Engine Family Number (EFN) 3GMXT05.3184 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation

2003 GMC Sierra 1500 Catalytic Converter
$511.52
$277.70
Out of Stock
Condition: New
Right (Passenger Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0);
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-47 Engine Family Number (EFN) 3GMXT05.3183 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
CARB Executive Order D-182-47 Engine Family Number (EFN) 3GMXT05.3183 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation

2003 GMC Sierra 1500 Catalytic Converter
$511.52
$277.70
Out of Stock
Condition: New
Right (Passenger Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0);
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-47 Engine Family Number (EFN) 3GMXT05.3184 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
CARB Executive Order D-182-47 Engine Family Number (EFN) 3GMXT05.3184 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation

2003 GMC Sierra 1500 Catalytic Converter
$511.52
$277.70
Out of Stock
Condition: New
Left (Driver Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-52 Engine Family Number (EFN) 3GMXT05.3176 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
CARB Executive Order D-182-52 Engine Family Number (EFN) 3GMXT05.3176 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation

2003 GMC Sierra 1500 Catalytic Converter
$511.52
$277.70
Out of Stock
Condition: New
Left (Driver Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-52 Engine Family Number (EFN) 3GMXT05.3185 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
CARB Executive Order D-182-52 Engine Family Number (EFN) 3GMXT05.3185 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation

2003 GMC Sierra 1500 Catalytic Converter
$511.52
$277.70
Out of Stock
Condition: New
Right (Passenger Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-52 Engine Family Number (EFN) 3GMXT05.3176 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
CARB Executive Order D-182-52 Engine Family Number (EFN) 3GMXT05.3176 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation

2003 GMC Sierra 1500 Catalytic Converter
$511.52
$277.70
Out of Stock
Condition: New
Right (Passenger Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-52 Engine Family Number (EFN) 3GMXT05.3185 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
CARB Executive Order D-182-52 Engine Family Number (EFN) 3GMXT05.3185 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation

2003 GMC Sierra 1500 Catalytic Converter
$2,062.66
$1,119.84
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4);
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4);
Vehicle Fitment Notes:
CARB Executive Order D-182-52 Engine Family Number (EFN) 3GMXT04.3184 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Additional part(s) needed to complete installation - 31554 Right Hand Side and 31718 Left Hand Side Direct Fit Type
CARB Executive Order D-182-52 Engine Family Number (EFN) 3GMXT04.3184 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Additional part(s) needed to complete installation - 31554 Right Hand Side and 31718 Left Hand Side Direct Fit Type

2003 GMC Sierra 1500 Catalytic Converter
$2,062.66
$1,119.84
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0);
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-52 Engine Family Number (EFN) 3GMXT05.3183 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Additional part(s) needed to complete installation - 31554 Right Hand Side and 31718 Left Hand Side Direct Fit Type
CARB Executive Order D-182-52 Engine Family Number (EFN) 3GMXT05.3183 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Additional part(s) needed to complete installation - 31554 Right Hand Side and 31718 Left Hand Side Direct Fit Type

2003 GMC Sierra 1500 Catalytic Converter
$2,062.66
$1,119.84
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0);
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-52 Engine Family Number (EFN) 3GMXT05.3184 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Additional part(s) needed to complete installation - 31554 Right Hand Side and 31718 Left Hand Side Direct Fit Type
CARB Executive Order D-182-52 Engine Family Number (EFN) 3GMXT05.3184 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Additional part(s) needed to complete installation - 31554 Right Hand Side and 31718 Left Hand Side Direct Fit Type

2003 GMC Sierra 1500 Catalytic Converter
$2,062.66
$1,119.84
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-52 Engine Family Number (EFN) 3GMXT05.3176 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Additional part(s) needed to complete installation - 31554 Right Hand Side and 31718 Left Hand Side Direct Fit Type
CARB Executive Order D-182-52 Engine Family Number (EFN) 3GMXT05.3176 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Additional part(s) needed to complete installation - 31554 Right Hand Side and 31718 Left Hand Side Direct Fit Type

2003 GMC Sierra 1500 Catalytic Converter
$2,062.66
$1,119.84
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-52 Engine Family Number (EFN) 3GMXT05.3185 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Additional part(s) needed to complete installation - 31554 Right Hand Side and 31718 Left Hand Side Direct Fit Type
CARB Executive Order D-182-52 Engine Family Number (EFN) 3GMXT05.3185 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Additional part(s) needed to complete installation - 31554 Right Hand Side and 31718 Left Hand Side Direct Fit Type

2003 GMC Sierra 1500 Catalytic Converter
$460.27
$256.73
Out of Stock
Condition: New
Left (Driver Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4);
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4);
Vehicle Fitment Notes:
CARB Executive Order D-182-52 Engine Family Number (EFN) 3GMXT04.3184 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
CARB Executive Order D-182-52 Engine Family Number (EFN) 3GMXT04.3184 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation

2003 GMC Sierra 1500 Catalytic Converter
$460.27
$256.73
Out of Stock
Condition: New
Right (Passenger Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4);
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4);
Vehicle Fitment Notes:
CARB Executive Order D-182-52 Engine Family Number (EFN) 3GMXT04.3184 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
CARB Executive Order D-182-52 Engine Family Number (EFN) 3GMXT04.3184 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation

2003 GMC Sierra 1500 Catalytic Converter
$421.05
$250.71
Out of Stock
Condition: New
Left (Driver Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT05.3176 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT05.3176 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation

2003 GMC Sierra 1500 Catalytic Converter
$421.05
$250.71
Out of Stock
Condition: New
Left (Driver Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT05.3185 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT05.3185 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation

2003 GMC Sierra 1500 Catalytic Converter
$421.05
$250.71
Out of Stock
Condition: New
Left (Driver Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT06.0187 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT06.0187 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation

2003 GMC Sierra 1500 Catalytic Converter
$421.05
$250.71
Out of Stock
Condition: New
Right (Passenger Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT05.3176 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT05.3176 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation

2003 GMC Sierra 1500 Catalytic Converter
$421.05
$250.71
Out of Stock
Condition: New
Right (Passenger Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT05.3185 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT05.3185 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation

2003 GMC Sierra 1500 Catalytic Converter
$421.05
$250.71
Out of Stock
Condition: New
Right (Passenger Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT06.0187 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT06.0187 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation

2003 GMC Sierra 1500 Catalytic Converter
$494.84
$286.78
Out of Stock
Condition: New
Front Left (Driver Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXA06.0188 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXA06.0188 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation

2003 GMC Sierra 1500 Catalytic Converter
$494.84
$286.78
Out of Stock
Condition: New
Front Right (Passenger Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXA06.0188 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXA06.0188 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation

2003 GMC Sierra 1500 Catalytic Converter
$494.84
$286.78
Out of Stock
Condition: New
Left (Driver Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXH06.0583 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXH06.0583 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation

2003 GMC Sierra 1500 Catalytic Converter
$494.84
$286.78
Out of Stock
Condition: New
Rear Left (Driver Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXA06.0188 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXA06.0188 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation

2003 GMC Sierra 1500 Catalytic Converter
$494.84
$286.78
Out of Stock
Condition: New
Rear Right (Passenger Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXA06.0188 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXA06.0188 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation

2003 GMC Sierra 1500 Catalytic Converter
$494.84
$286.78
Out of Stock
Condition: New
Right (Passenger Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXH06.0583 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXH06.0583 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation

2003 GMC Sierra 1500 Catalytic Converter
$918.30
$532.20
Out of Stock
Condition: New
Right (Passenger Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT06.0187 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Additional Part(s) Needed To Complete Installation: 31610 Direct Fit Type
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT06.0187 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Additional Part(s) Needed To Complete Installation: 31610 Direct Fit Type

2003 GMC Sierra 1500 Catalytic Converter
$1,403.52
$813.41
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4);
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4);
Vehicle Fitment Notes:
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT04.3184 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Additional part(s) needed to complete installation - 31554 Right Hand Side and 31718 Left Hand Side Direct Fit Type
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT04.3184 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Additional part(s) needed to complete installation - 31554 Right Hand Side and 31718 Left Hand Side Direct Fit Type

2003 GMC Sierra 1500 Catalytic Converter
$1,403.52
$813.41
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0);
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT05.3183 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Additional part(s) needed to complete installation - 31554 Right Hand Side and 31718 Left Hand Side Direct Fit Type
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT05.3183 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Additional part(s) needed to complete installation - 31554 Right Hand Side and 31718 Left Hand Side Direct Fit Type

2003 GMC Sierra 1500 Catalytic Converter
$1,403.52
$813.41
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0);
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT05.3184 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Additional part(s) needed to complete installation - 31554 Right Hand Side and 31718 Left Hand Side Direct Fit Type
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT05.3184 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Additional part(s) needed to complete installation - 31554 Right Hand Side and 31718 Left Hand Side Direct Fit Type

2003 GMC Sierra 1500 Catalytic Converter
$1,403.52
$813.41
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT05.3176 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Additional part(s) needed to complete installation - 31554 Right Hand Side and 31718 Left Hand Side Direct Fit Type
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT05.3176 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Additional part(s) needed to complete installation - 31554 Right Hand Side and 31718 Left Hand Side Direct Fit Type

2003 GMC Sierra 1500 Catalytic Converter
$1,403.52
$813.41
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT05.3185 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Additional part(s) needed to complete installation - 31554 Right Hand Side and 31718 Left Hand Side Direct Fit Type
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT05.3185 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Additional part(s) needed to complete installation - 31554 Right Hand Side and 31718 Left Hand Side Direct Fit Type
2003 GMC Sierra 1500 Catalytic Converter
$1,008.66
$584.58
Out of Stock
Condition: New
Left (Driver Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT06.0187 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Additional Part(s) Needed To Complete Installation: 31718 Direct Fit Type
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT06.0187 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Additional Part(s) Needed To Complete Installation: 31718 Direct Fit Type
2003 GMC Sierra 1500 Catalytic Converter
$486.66
$282.05
Out of Stock
Condition: New
Left (Driver Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4);
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4);
Vehicle Fitment Notes:
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT04.3184 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT04.3184 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
2003 GMC Sierra 1500 Catalytic Converter
$486.66
$282.05
Out of Stock
Condition: New
Left (Driver Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0);
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT05.3183 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT05.3183 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
2003 GMC Sierra 1500 Catalytic Converter
$486.66
$282.05
Out of Stock
Condition: New
Left (Driver Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0);
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT05.3184 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT05.3184 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
2003 GMC Sierra 1500 Catalytic Converter
$486.66
$282.05
Out of Stock
Condition: New
Right (Passenger Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4);
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4);
Vehicle Fitment Notes:
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT04.3184 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT04.3184 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
2003 GMC Sierra 1500 Catalytic Converter
$486.66
$282.05
Out of Stock
Condition: New
Right (Passenger Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0);
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT05.3183 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT05.3183 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
2003 GMC Sierra 1500 Catalytic Converter
$486.66
$282.05
Out of Stock
Condition: New
Right (Passenger Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500
Equipped With:
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0);
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT05.3184 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXT05.3184 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation