2003 GMC Sierra 1500 HD Catalytic Converter
Browse our online catalogue to find original replacement Catalytic Converters specifically designed to fit a 2003 GMC Sierra 1500 HD.
2003 GMC Sierra 1500 HD Catalytic Converter
$2,237.07
$1,842.35
Limited Stock
Condition: New
Ships: Thursday Feb. 19th
Pick-Up: Ready in 2-4 Hours Thursday Feb. 19th
Pick-Up: Ready in 2-4 Hours Thursday Feb. 19th
Right (Passenger Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500 HD
Equipped With:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Wheel Base: 388.6cm (153.0in.);
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Wheel Base: 388.6cm (153.0in.);
Vehicle Fitment Notes:
with 3 (in) Muffler Inlet with Federal Emissions System Exhaust Gasket is Recommended Additional Part(s) Needed To Complete Installation: 31574 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 3 (in) Muffler Inlet with Federal Emissions System Exhaust Gasket is Recommended Additional Part(s) Needed To Complete Installation: 31574 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 HD Catalytic Converter
$498.93
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 HD
Equipped With:
Region: Canada;
Region: Canada;
Vehicle Fitment Notes:
133" wheel base 2.5" OD Outlet 22.5" long Right Side
133" wheel base 2.5" OD Outlet 22.5" long Right Side
2003 GMC Sierra 1500 HD Catalytic Converter
$498.93
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 HD
Equipped With:
Region: United States;
Region: United States;
Vehicle Fitment Notes:
133" wheel base 2.5" OD Outlet 22.5" long Right Side
133" wheel base 2.5" OD Outlet 22.5" long Right Side
2003 GMC Sierra 1500 HD Catalytic Converter
$498.93
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 HD
Equipped With:
Region: Canada;
Region: Canada;
Vehicle Fitment Notes:
"133"" wheel base" "2.5"" OD Outlet 22.5"" long" Right Side
"133"" wheel base" "2.5"" OD Outlet 22.5"" long" Right Side
2003 GMC Sierra 1500 HD Catalytic Converter
$498.93
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 HD
Equipped With:
Region: United States;
Region: United States;
Vehicle Fitment Notes:
"133"" wheel base" "2.5"" OD Outlet 22.5"" long" Right Side
"133"" wheel base" "2.5"" OD Outlet 22.5"" long" Right Side
2003 GMC Sierra 1500 HD Catalytic Converter
$498.93
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 HD
Equipped With:
Region: Canada;
Region: Canada;
Vehicle Fitment Notes:
133" wheel base 3' OD 22.5" long Right Side
133" wheel base 3' OD 22.5" long Right Side
2003 GMC Sierra 1500 HD Catalytic Converter
$498.93
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 HD
Equipped With:
Region: United States;
Region: United States;
Vehicle Fitment Notes:
133" wheel base 3' OD 22.5" long Right Side
133" wheel base 3' OD 22.5" long Right Side
2003 GMC Sierra 1500 HD Catalytic Converter
$498.93
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 HD
Equipped With:
Region: Canada;
Region: Canada;
Vehicle Fitment Notes:
"133"" wheel base" "3' OD 22.5"" long" Right Side
"133"" wheel base" "3' OD 22.5"" long" Right Side
2003 GMC Sierra 1500 HD Catalytic Converter
$498.93
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 HD
Equipped With:
Region: United States;
Region: United States;
Vehicle Fitment Notes:
"133"" wheel base" "3' OD 22.5"" long" Right Side
"133"" wheel base" "3' OD 22.5"" long" Right Side
2003 GMC Sierra 1500 HD Catalytic Converter
$498.93
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 HD
Equipped With:
Drive Type: 4WD; Region: Canada;
Drive Type: 4WD; Region: Canada;
Vehicle Fitment Notes:
153" wheel base 2.5" OD 44" long Right Side
153" wheel base 2.5" OD 44" long Right Side
2003 GMC Sierra 1500 HD Catalytic Converter
$498.93
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 HD
Equipped With:
Drive Type: 4WD; Region: United States;
Drive Type: 4WD; Region: United States;
Vehicle Fitment Notes:
153" wheel base 2.5" OD 44" long Right Side
153" wheel base 2.5" OD 44" long Right Side
2003 GMC Sierra 1500 HD Catalytic Converter
$498.93
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 HD
Equipped With:
Drive Type: RWD; Region: Canada;
Drive Type: RWD; Region: Canada;
Vehicle Fitment Notes:
153" wheel base 2.5" OD 44" long Right Side
153" wheel base 2.5" OD 44" long Right Side
2003 GMC Sierra 1500 HD Catalytic Converter
$498.93
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 HD
Equipped With:
Drive Type: RWD; Region: United States;
Drive Type: RWD; Region: United States;
Vehicle Fitment Notes:
153" wheel base 2.5" OD 44" long Right Side
153" wheel base 2.5" OD 44" long Right Side
2003 GMC Sierra 1500 HD Catalytic Converter
$498.93
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 HD
Equipped With:
Region: Canada;
Region: Canada;
Vehicle Fitment Notes:
"153"" wheel base" "2.5"" OD 44"" long" Right Side
"153"" wheel base" "2.5"" OD 44"" long" Right Side
2003 GMC Sierra 1500 HD Catalytic Converter
$498.93
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 HD
Equipped With:
Region: United States;
Region: United States;
Vehicle Fitment Notes:
"153"" wheel base" "2.5"" OD 44"" long" Right Side
"153"" wheel base" "2.5"" OD 44"" long" Right Side
2003 GMC Sierra 1500 HD Catalytic Converter
$511.52
$277.70
Out of Stock
Condition: New
Front Left (Driver Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500 HD
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-182-52 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-182-52 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 HD Catalytic Converter
$511.52
$277.70
Out of Stock
Condition: New
Front Right (Passenger Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500 HD
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-182-52 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-182-52 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 HD Catalytic Converter
$511.52
$277.70
Out of Stock
Condition: New
Rear Left (Driver Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500 HD
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-182-52 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-182-52 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 HD Catalytic Converter
$511.52
$277.70
Out of Stock
Condition: New
Rear Right (Passenger Side)
Required Per Vehicle: 1
Made in USA
Fits: 2003 GMC Sierra 1500 HD
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-182-52 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-182-52 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 HD 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 HD
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 HD 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 HD
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 HD 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 HD
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 HD 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 HD
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 HD 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 HD
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 HD 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 HD
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