2005 GMC Envoy Catalytic Converters
Save up to 40% on original replacement 2005 GMC Envoy Catalytic Converters. Navigate our online catalogue to find Catalytic Converters and other parts designed specifically to fit a 2005 GMC Envoy.





Catalytic Converter
$270.84
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: DOHC; Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0); Region: United States; Sub-Model: SLE;
Cylinder Head: DOHC; Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0); Region: United States; Sub-Model: SLE;
Vehicle Fitment Notes:
51" overall length 113" wheel base
51" overall length 113" wheel base




Catalytic Converter
$270.84
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: DOHC; Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0); Region: United States; Sub-Model: SLT;
Cylinder Head: DOHC; Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0); Region: United States; Sub-Model: SLT;
Vehicle Fitment Notes:
51" overall length 113" wheel base
51" overall length 113" wheel base




Catalytic Converter
$270.84
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: DOHC; Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0); Region: United States; Sub-Model: SLE;
Cylinder Head: DOHC; Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0); Region: United States; Sub-Model: SLE;
Vehicle Fitment Notes:
"51"" overall length 113"" wheel base"
"51"" overall length 113"" wheel base"




Catalytic Converter
$270.84
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: DOHC; Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0); Region: United States; Sub-Model: SLT;
Cylinder Head: DOHC; Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0); Region: United States; Sub-Model: SLT;
Vehicle Fitment Notes:
"51"" overall length 113"" wheel base"
"51"" overall length 113"" wheel base"




Catalytic Converter
$642.75
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; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: Denali;
Cylinder Head: OHV; Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Region: United States; Sub-Model: Denali;
Vehicle Fitment Notes:
"44"" no flex"
"44"" no flex"

Catalytic Converter
$745.45
$632.90
In Stock
Ships: Monday Sep. 29th
Pick-Up: Ready in 1 Hour (Order before 12:00 PM)
Pick-Up: Ready in 1 Hour (Order before 12:00 PM)
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); Sub-Model: SLE;
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0); Sub-Model: SLE;
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
$745.45
$632.90
In Stock
Ships: Monday Sep. 29th
Pick-Up: Ready in 1 Hour (Order before 12:00 PM)
Pick-Up: Ready in 1 Hour (Order before 12:00 PM)
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); Sub-Model: SLT;
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0); Sub-Model: SLT;
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
$478.64
$298.49
10+ In Stock
Ships: Monday Sep. 29th
Pick-Up: Ready in 1 Hour (Order before 12:00 PM)
Pick-Up: Ready in 1 Hour (Order before 12:00 PM)
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 - Left
$486.66
$282.05
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: 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) 5GMXT06.0187 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) 5GMXT06.0187 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


Catalytic Converter - Right
$486.66
$282.05
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: 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) 5GMXT06.0187 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) 5GMXT06.0187 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

Catalytic Converter - Front
$1,408.27
$1,238.11
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Canada
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 and 31718 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 and 31718 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