2003 Chevrolet Suburban 1500 Catalytic Converter
Navigate our online catalogue to find original replacement Catalytic Converters specifically designed to fit a 2003 Chevrolet Suburban 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
Vehicle fitment:
Region: Canada;
Region: Canada;




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
Vehicle fitment:
Region: Mexico;
Region: Mexico;




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
Vehicle fitment:
Region: United States;
Region: United States;




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
Vehicle fitment:
Drive Type: 4WD; Fuel Type: FLEX; Region: Canada; Sub-Model: Z71;
Drive Type: 4WD; Fuel Type: FLEX; Region: Canada; Sub-Model: Z71;
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)




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
Vehicle fitment:
Drive Type: 4WD; Fuel Type: FLEX; Region: United States; Sub-Model: Z71;
Drive Type: 4WD; Fuel Type: FLEX; Region: United States; Sub-Model: Z71;
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)




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
Vehicle fitment:
Region: Canada; Sub-Model: LS;
Region: Canada; Sub-Model: LS;
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




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
Vehicle fitment:
Region: Canada; Sub-Model: LT;
Region: Canada; Sub-Model: LT;
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




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
Vehicle fitment:
Region: United States; Sub-Model: LS;
Region: United States; Sub-Model: LS;
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




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
Vehicle fitment:
Region: United States; Sub-Model: LT;
Region: United States; Sub-Model: LT;
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

Catalytic Converter
$1,263.71
$1,022.84
In Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Ready in 1 Hour Saturday Oct. 4th
Pick-Up: Ready in 1 Hour Saturday Oct. 4th
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
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 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/California 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

Catalytic Converter
$421.05
$250.71
Limited Stock
Condition: New
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Left (Driver Side)
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
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

Catalytic Converter
$421.05
$250.71
Limited Stock
Condition: New
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Right (Passenger Side)
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
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

Catalytic Converter
$478.64
$298.49
10+ In Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Ready in 1 Hour Saturday Oct. 4th
Pick-Up: Ready in 1 Hour Saturday Oct. 4th
Left (Driver Side)
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Fuel Type: FLEX;
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Fuel Type: FLEX;
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

Catalytic Converter
$478.64
$298.49
10+ In Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Ready in 1 Hour Saturday Oct. 4th
Pick-Up: Ready in 1 Hour Saturday Oct. 4th
Right (Passenger Side)
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Fuel Type: FLEX;
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Fuel Type: FLEX;
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

Catalytic Converter
$511.52
$277.70
Out of Stock
Condition: New
Left (Driver Side)
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
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

Catalytic Converter
$511.52
$277.70
Out of Stock
Condition: New
Right (Passenger Side)
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
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

Catalytic Converter
$2,062.66
$1,119.84
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
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

Catalytic Converter
$1,403.52
$813.41
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
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