
2 Catalytic Converters for Federal Emissions 01-06 GMC Sierra 2500HD 6.0L 8.1L
This is a 100% OE style A/P BRAND Made in USA replacement catalytic converter exhaust parts
Fits:
NOTE # 1 With Federal Emissions only, using only 2 Front Left and Right Converter. Stop check your emission info before ordering. (note California emissions uses 4 catalytic converter 2 per side)
NOTE # 2 Some years you must check your wheelbase info, refer to fitment table.
NOTE # 3 Passengers Side Front engine pipe is not included.
2001-2006 replacement parts for Chevrolet Silverado 2500HD 6.0L 8.1L with Federal emissions
Plus other GM Applications, check fitment table
Includes
1x Part# 645454 Passengers Side Catalytic Converter with gaskets, and basic installation hardware.
1x Part# 645455 Drivers Side Catalytic Converterwith gaskets, and basic installation hardware.
REF# 189977
Condition: New
- Brand: Mac Auto Parts
- Type: Catalytic Converter
- Placement on Vehicle: Front, Left, Right
- Labels & Certifications: EPA
- Features: 100% Accuracy of Fit, Bolt-on Connection, Clamp-on Connection, Easy to Replace
- Manufacturer Part Number: 189977
- Country/Region of Manufacture: United States
- Items Included: Mounting Hardware
- Manufacturer Warranty: 10 Years
- Body Material: Mild Steel
- Substrate Material: Ceramic, Platinum
- Universal Fitment: No
- Performance Part: No
- Finish: Uncoated
- Interchange Part Number: 645455 645454
Original: $969.00
-70%$969.00
$290.702 Catalytic Converters for Federal Emissions 01-06 GMC Sierra 2500HD 6.0L 8.1L
This is a 100% OE style A/P BRAND Made in USA replacement catalytic converter exhaust parts
Fits:
NOTE # 1 With Federal Emissions only, using only 2 Front Left and Right Converter. Stop check your emission info before ordering. (note California emissions uses 4 catalytic converter 2 per side)
NOTE # 2 Some years you must check your wheelbase info, refer to fitment table.
NOTE # 3 Passengers Side Front engine pipe is not included.
2001-2006 replacement parts for Chevrolet Silverado 2500HD 6.0L 8.1L with Federal emissions
Plus other GM Applications, check fitment table
Includes
1x Part# 645454 Passengers Side Catalytic Converter with gaskets, and basic installation hardware.
1x Part# 645455 Drivers Side Catalytic Converterwith gaskets, and basic installation hardware.
REF# 189977
Condition: New
- Brand: Mac Auto Parts
- Type: Catalytic Converter
- Placement on Vehicle: Front, Left, Right
- Labels & Certifications: EPA
- Features: 100% Accuracy of Fit, Bolt-on Connection, Clamp-on Connection, Easy to Replace
- Manufacturer Part Number: 189977
- Country/Region of Manufacture: United States
- Items Included: Mounting Hardware
- Manufacturer Warranty: 10 Years
- Body Material: Mild Steel
- Substrate Material: Ceramic, Platinum
- Universal Fitment: No
- Performance Part: No
- Finish: Uncoated
- Interchange Part Number: 645455 645454
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
This is a 100% OE style A/P BRAND Made in USA replacement catalytic converter exhaust parts
Fits:
NOTE # 1 With Federal Emissions only, using only 2 Front Left and Right Converter. Stop check your emission info before ordering. (note California emissions uses 4 catalytic converter 2 per side)
NOTE # 2 Some years you must check your wheelbase info, refer to fitment table.
NOTE # 3 Passengers Side Front engine pipe is not included.
2001-2006 replacement parts for Chevrolet Silverado 2500HD 6.0L 8.1L with Federal emissions
Plus other GM Applications, check fitment table
Includes
1x Part# 645454 Passengers Side Catalytic Converter with gaskets, and basic installation hardware.
1x Part# 645455 Drivers Side Catalytic Converterwith gaskets, and basic installation hardware.
REF# 189977
Condition: New
- Brand: Mac Auto Parts
- Type: Catalytic Converter
- Placement on Vehicle: Front, Left, Right
- Labels & Certifications: EPA
- Features: 100% Accuracy of Fit, Bolt-on Connection, Clamp-on Connection, Easy to Replace
- Manufacturer Part Number: 189977
- Country/Region of Manufacture: United States
- Items Included: Mounting Hardware
- Manufacturer Warranty: 10 Years
- Body Material: Mild Steel
- Substrate Material: Ceramic, Platinum
- Universal Fitment: No
- Performance Part: No
- Finish: Uncoated
- Interchange Part Number: 645455 645454












