2003 Chevrolet Trailblazer EXT Catalytic Converter
Navigate our online catalogue to find original replacement Catalytic Converters specifically designed to fit a 2003 Chevrolet Trailblazer EXT.
Catalytic Converter
$605.84
In Stock
Ships: in 1-2 Business Days
Pick-Up in 1-2 Business Days
Pick-Up in 1-2 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Canada
Vehicle fitment:
Cylinder Head: OHV; Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada;
Cylinder Head: OHV; Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada;
Vehicle Fitment Notes:
54" no flex
54" no flex
Catalytic Converter
$605.84
In Stock
Ships: in 1-2 Business Days
Pick-Up in 1-2 Business Days
Pick-Up in 1-2 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Canada
Vehicle fitment:
Cylinder Head: OHV; Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States;
Cylinder Head: OHV; Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States;
Vehicle Fitment Notes:
54" no flex
54" no flex
Catalytic Converter
$605.84
In Stock
Ships: in 1-2 Business Days
Pick-Up in 1-2 Business Days
Pick-Up in 1-2 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Canada
Vehicle fitment:
Cylinder Head: OHV; Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada;
Cylinder Head: OHV; Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: Canada;
Vehicle Fitment Notes:
"54"" no flex"
"54"" no flex"
Catalytic Converter
$605.84
In Stock
Ships: in 1-2 Business Days
Pick-Up in 1-2 Business Days
Pick-Up in 1-2 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Canada
Vehicle fitment:
Cylinder Head: OHV; Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States;
Cylinder Head: OHV; Drive Type: 4WD; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States;
Vehicle Fitment Notes:
"54"" no flex"
"54"" no flex"
Catalytic Converter
$376.05
In Stock
Ships: in 1-2 Business Days
Pick-Up in 1-2 Business Days
Pick-Up in 1-2 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Canada
Vehicle fitment:
Cylinder Head: DOHC; Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0); Region: Canada;
Cylinder Head: DOHC; Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0); Region: Canada;
Vehicle Fitment Notes:
59" over all length 129" wheel base
59" over all length 129" wheel base
Catalytic Converter
$376.05
In Stock
Ships: in 1-2 Business Days
Pick-Up in 1-2 Business Days
Pick-Up in 1-2 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Canada
Vehicle fitment:
Cylinder Head: DOHC; Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0); Region: United States;
Cylinder Head: DOHC; Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0); Region: United States;
Vehicle Fitment Notes:
59" over all length 129" wheel base
59" over all length 129" wheel base
Catalytic Converter
$376.05
In Stock
Ships: in 1-2 Business Days
Pick-Up in 1-2 Business Days
Pick-Up in 1-2 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Canada
Vehicle fitment:
Cylinder Head: DOHC; Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0); Region: Canada;
Cylinder Head: DOHC; Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0); Region: Canada;
Vehicle Fitment Notes:
"59"" over all length 129"" wheel base"
"59"" over all length 129"" wheel base"
Catalytic Converter
$376.05
In Stock
Ships: in 1-2 Business Days
Pick-Up in 1-2 Business Days
Pick-Up in 1-2 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Canada
Vehicle fitment:
Cylinder Head: DOHC; Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0); Region: United States;
Cylinder Head: DOHC; Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0); Region: United States;
Vehicle Fitment Notes:
"59"" over all length 129"" wheel base"
"59"" over all length 129"" wheel base"
Catalytic Converter
$1,054.28
$730.54
Limited Stock
Ships: Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);
Vehicle Fitment Notes:
with Federal/California Emissions System Exhaust Gasket is Recommended Additional Part(s) Needed To Complete Installation: 31657 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: 31657 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
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-69 Engine Family Number (EFN) 3GMXA04.2187 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) 3GMXA04.2187 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
Ships: Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);
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
Catalytic Converter
$486.66
$282.05
Limited Stock
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Left (Driver Side)
Condition: New
Required Per Vehicle: 1
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) 3GMXT05.3183 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
Catalytic Converter
$486.66
$282.05
Limited Stock
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Right (Passenger Side)
Condition: New
Required Per Vehicle: 1
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) 3GMXT05.3183 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
Catalytic Converter
$473.00
$263.82
Out of Stock
Left (Driver Side)
Condition: New
Required Per Vehicle: 1
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-182-47 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
Catalytic Converter
$473.00
$263.82
Out of Stock
Right (Passenger Side)
Condition: New
Required Per Vehicle: 1
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-182-47 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
Catalytic Converter
$960.09
$521.24
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-51 Engine Family Number (EFN) 3GMXA04.2187 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: 31657 Direct Fit Type
CARB Executive Order D-182-51 Engine Family Number (EFN) 3GMXA04.2187 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: 31657 Direct Fit Type