GMC Sierra 2500 HD Catalytic Converter Replacement

This is a particle filter for vehicles with the 6.6L engine.

Mileage: 182,200 miles

It is for vehicles with the 6.6L engine and includes the exhaust filter.

Mileage: 101,100 miles

with Federal/California Emissions System with 3 (in) Converter Outlet 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

Direct Fit Discontinued ; Not for sale or use on vehicles licensed in the states of CA, CO, ME, and NY. Restrictions may apply in other states. Check with your state authority for details. Incomplete Chassis Federal and California Emissions

3in. Converter Outlet Cutting and Welding Required During Installation

Cutting and Welding Required

3in. Converter Outlet Cutting and Welding Required During Installation

Replaces Front Pre-Converter and Rear Main Converter Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required

3in. Converter Outlet Cutting and Welding Required During Installation

Replaces Front Pre-Converter and Rear Main Converter Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required

3in. Converter Outlet Cutting and Welding Required During Installation

Cutting and Welding Required Not Permitted for Use in the State of Colorado

Replaces Front Pre-Converter and Rear Main Converter Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required

Diesel Series; 4 in. Inlet/Outlet; Overall L-11.00 in.; W-6 in.; Conv L-11 in.; Not Air Tube Kit Adaptable;Not Legal For Sale Or Use On Vehicles Registered In CA

Cutting and Welding Required Not Permitted for Use in the State of Colorado

Direct Fit; Not for sale or use on vehicles licensed in the states of CA, CO, ME, and NY. Restrictions may apply in other states. Check with your state authority for details. Federal Emissions

with 2.5 (in) Diameter Outlet Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required

Replaces Front Pre-Converter and Rear Main Converter Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required

Replaces Front Pre-Converter and Rear Main Converter

without Pre-Converter Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required

Replaces Front Pre-Converter and Rear Main Converter Not legal for sale or installation in California, Colorado or New York.

Cutting and Welding Required without Pre-Converter

Replaces Front Pre-Converter and Rear Main Converter

without Pre-Converter Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required

Replaces Front Pre-Converter and Rear Main Converter Not legal for sale or installation in California, Colorado or New York.

Cutting and Welding Required During Installation

Cutting and Welding Required During Installation

Not legal for sale or installation in California, Colorado or New York.

Cutting and Welding Required Not Permitted for Use in the State of Colorado

without Pre-Converter

Cutting and Welding Required During Installation

without Pre-Converter Not legal for sale or installation in California, Colorado or New York.

Cutting and Welding Required During Installation

California Emissions; Undercar Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)

Cutting and Welding Required without Pre-Converter

without Pre-Converter

Undercar Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)

without Pre-Converter Not legal for sale or installation in California, Colorado or New York.

91 Series Engine Family Number (EFN) 2GMXA06.0188 CARB Executive Order D-280-101 ; Universal Fit - CARB Legal Note: In Compliance with CARB Emissions Requirements 2.5 in Inlet ID; 2.5 in Outlet ID; 16.5 in OAL ALL

without Pre-Converter

91 Series Engine Family Number (EFN) 2GMXA06.0188 CARB Executive Order D-280-101 ; Universal Fit - CARB Legal Note: In Compliance with CARB Emissions Requirements 2.25 in Inlet ID; 2.25 in Outlet ID; Round Body; 16 in OAL ALL

without Pre-Converter Not legal for sale or installation in California, Colorado or New York.

Universal Fit; Pre-OBDII Super Duty Unit Not for sale or use on vehicles licensed in the states of CA, CO, ME, and NY. Restrictions may apply in other states. Check with your state authority for details. Federal Emissions

CARB Executive Order D-193-103 Engine Family Number (EFN) 5GMXT06.0188 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

with Federal Emissions System

CARB Executive Order D-193-103 Engine Family Number (EFN) 5GMXT06.0188

with Federal Emissions System Not legal for sale or installation in California, Colorado or New York.

CARB Executive Order D-193-103 Engine Family Number (EFN) 2GMXA08.1201 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

CARB Executive Order D-193-103 Engine Family Number (EFN) 3GMXA08.1201 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

CARB Executive Order D-193-103 Engine Family Number (EFN) 2GMXA08.1201

CARB Executive Order D-193-103 Engine Family Number (EFN) 3GMXA08.1201 Cutting and Welding Required

CARB Executive Order D-193-145 Engine Family Number (EFN) 3BYTT06.0213 without Pre-Converter Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

CARB Executive Order D-193-101 Engine Family Number (EFN) 6GMXT06.0198 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

CARB Executive Order D-193-145 Engine Family Number (EFN) 3BYTT06.0213 without Pre-Converter

CARB Executive Order D-193-101 Engine Family Number (EFN) 6GMXT06.0198 Cutting and Welding Required

CARB Executive Order D-193-101 Engine Family Number (EFN) 6GMXT06.0198

Direct Fit; Not for sale or use on vehicles licensed in the states of CA, CO, ME, and NY. Restrictions may apply in other states. Check with your state authority for details. OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced. The O.E. system must be cut off 9" behind the converter outlet. Federal Emissions

CARB Executive Order D-193-101 Engine Family Number (EFN) 6GMXT06.0198 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

with California Emissions System Low Emission Vehicle (LEV) Not legal for sale or installation in California, Colorado or New York.

with California Emissions System Low Emission Vehicle (LEV)

CARB Executive Order D-193-101 Engine Family Number (EFN) 6GMXT06.0198 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

CARB Executive Order D-193-101 Engine Family Number (EFN) 6GMXT06.0198 Cutting and Welding Required

with 3 (in) Diameter Outlet Not legal for sale or installation in California, Colorado or New York.

with 3 (in) Diameter Outlet

CARB Executive Order D-193-103 Engine Family Number (EFN) 3GMXA08.1201 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

CARB Executive Order D-193-103 Engine Family Number (EFN) 3GMXA08.1201 Cutting and Welding Required

with 3 (in) Diameter Outlet Not legal for sale or installation in California, Colorado or New York.

with 3 (in) Diameter Outlet

Replaces Front Pre-Converter and Rear Main Converter Not legal for sale or installation in California, Colorado or New York.

Replaces Front Pre-Converter and Rear Main Converter

Replaces Front Pre-Converter and Rear Main Converter Not legal for sale or installation in California, Colorado or New York.

Replaces Front Pre-Converter and Rear Main Converter

CARB Executive Order D-193-103 Engine Family Number (EFN) 2GMXA08.1201

CARB Executive Order D-193-103 Engine Family Number (EFN) 2GMXA08.1201 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

CARB Executive Order D-193-103 Engine Family Number (EFN) 3GMXA06.0188 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

with 2.5 (in) Diameter Outlet Not legal for sale or installation in California, Colorado or New York.

with 2.5 (in) Diameter Outlet

CARB Executive Order D-193-103 Engine Family Number (EFN) 3GMXA06.0188

CARB Executive Order D-193-143 Engine Family Number (EFN) 9GMXD06.0396 Cutting and Welding Required

CARB Executive Order D-193-143 Engine Family Number (EFN) 9GMXD06.0396 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

with 2.5 (in) Diameter Outlet Not legal for sale or installation in California, Colorado or New York.

with 2.5 (in) Diameter Outlet

For Vehicles Originally Equipped with 2 Catalytic Converter(s) CARB Executive Order D-193-144 Engine Family Number (EFN) BGMXT06.0396 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

For Vehicles Originally Equipped with 2 Catalytic Converter(s) CARB Executive Order D-193-144 Engine Family Number (EFN) BGMXT06.0396 Cutting and Welding Required

with 3 (in) Diameter Outlet CARB Executive Order D-193-145 Engine Family Number (EFN) 3BYTT06.0213 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

with 3 (in) Diameter Outlet CARB Executive Order D-193-145 Engine Family Number (EFN) 3BYTT06.0213

with 2.5 (in) Diameter Outlet CARB Executive Order D-193-145 Engine Family Number (EFN) 3BYTT06.0213 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

with 2.5 (in) Diameter Outlet CARB Executive Order D-193-145 Engine Family Number (EFN) 3BYTT06.0213

CARB Executive Order D-193-148 Engine Family Number (EFN) CGMXT06.0396 Cutting and Welding Required

CARB Executive Order D-193-148 Engine Family Number (EFN) CGMXT06.0396 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

CARB Executive Order D-193-101 Engine Family Number (EFN) 6GMXT06.0198

CARB Executive Order D-193-101 Engine Family Number (EFN) 6GMXT06.0198 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

with Dual Catalytic Converters Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required

with Dual Catalytic Converters Cutting and Welding Required

This is a recertified original equipment manufacturer (OEM) part. For vehicles with the 6.6L engine.

Mileage: 183,400 miles

It is a recertified original equipment manufacturer (OEM) part. For vehicles with the 6.0L engine.

Mileage: 87,400 miles

This is a particle filter for vehicles with the 6.6L engine.

Mileage: 182,200 miles

This is a recertified original equipment manufacturer (OEM) part. For vehicles with the 6.6L engine.

Mileage: 25,000 miles

This is a particle filter for vehicles with the 6.6L engine.

Mileage: 137,100 miles

This is a recertified original equipment manufacturer (OEM) part. It is a lower catalytic converter for vehicles equipped with the 6.6L engine.

Mileage: 32,400 miles

This is a recertified original equipment (OEM) catalytic converter for vehicles equipped with the 6.6L engine.

Mileage: 66,400 miles

This is a particle filter for vehicles with the 6.6L engine.

Mileage: 137,100 miles

This is a recertified original equipment manufacturer (OEM) part. For vehicles with the 6.6L engine.

Mileage: 183,400 miles

For vehicles with the 6.6L engine. Includes the exhaust filter.

Mileage: 101,100 miles

Legal for sale and use in the state of Colorado per regulation number 20, effective 12/15/2023 Not Legal For Sale In California or New York. 3.5 (in) Diameter Cutting and Welding Required

Not Permitted for Use in the State of Colorado Cutting and Welding Required During Installation 4in.

Not Permitted for Use in the State of Colorado Cutting and Welding Required During Installation 3-1/2in.

Not Permitted for Use in the State of Colorado Cutting and Welding Required During Installation 3-1/2in.

Not Permitted for Use in the State of Colorado Cutting and Welding Required During Installation 4in.

This is a particle filter for vehicles with the 6.6L engine.

Mileage: 37,800 miles

This is a recertified original equipment manufacturer (OEM) part. For vehicles with the 6.6L engine.

Mileage: 106,700 miles

CARB Executive Order D-193-100 Engine Family Number (EFN) 4GMXT06.0188 Cutting and Welding Required

Direct Fit; Not for sale or use on vehicles licensed in the states of CA, CO, ME, and NY. Restrictions may apply in other states. Check with your state authority for details. IMPORTANT: Read TSBs Before Replacing Converter Federal and California Emissions ULEV Emissions with 2 Converter Bodies

ULEV Emission; With 2 Converter System; Undercar Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)

Not legal for use in California Illegal for installation in NY on vehicles equipped with California emission systems Y Pipe w/ 3 Converters

With 3 Converter System; Undercar Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)

Direct Fit; Not for sale or use on vehicles licensed in the states of CA, CO, ME, and NY. Restrictions may apply in other states. Check with your state authority for details. IMPORTANT: Read TSBs Before Replacing Converter Federal and California Emissions with 3 Converter Bodies

Legal for sale and use in the state of Colorado per regulation number 20, effective 12/15/2023 Not Legal For Sale In California or New York.

Legal for sale and use in the state of Colorado per regulation number 20, effective 12/15/2023

This part is a recertified original equipment manufacturer (OEM) part. For vehicles with the 6.6L engine. This is an upper catalytic converter.

Mileage: 86,900 miles

Legal for sale and use in the state of Colorado per regulation number 20, effective 12/15/2023

Legal for sale and use in the state of Colorado per regulation number 20, effective 12/15/2023 Not Legal For Sale In California or New York.

with Dual Catalytic Converters

with Dual Catalytic Converters Not legal for sale or installation in California, Colorado or New York.

Not legal for sale or installation in California, Colorado or New York.

CARB Executive Order D-193-148 Engine Family Number (EFN) CGMXT06.0396 Cutting and Welding Required

CARB Executive Order D-193-148 Engine Family Number (EFN) CGMXT06.0396 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

For Vehicles Originally Equipped with 3 Catalytic Converter(s) Not legal for sale or installation in California, Colorado or New York.

For Vehicles Originally Equipped with 3 Catalytic Converter(s)

CARB Executive Order D-193-145 Engine Family Number (EFN) 8GMXH06.0584

CARB Executive Order D-193-145 Engine Family Number (EFN) 8GMXH06.0584 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

For Vehicles Originally Equipped with 2 Catalytic Converter(s) CARB Executive Order D-193-145 Engine Family Number (EFN) BBYTE06.0613 Engine Family Number (EFN) BGMXE06.0584

For Vehicles Originally Equipped with 2 Catalytic Converter(s) CARB Executive Order D-193-145 Engine Family Number (EFN) BBYTE06.0613 Engine Family Number (EFN) BGMXE06.0584 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

For Vehicles Originally Equipped with 2 Catalytic Converter(s) CARB Executive Order D-193-144 Engine Family Number (EFN) BGMXT06.0396

For Vehicles Originally Equipped with 2 Catalytic Converter(s) CARB Executive Order D-193-144 Engine Family Number (EFN) BGMXT06.0396 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

CARB Executive Order D-193-143 Engine Family Number (EFN) 7GMXK06.0389

CARB Executive Order D-193-143 Engine Family Number (EFN) 7GMXK06.0389 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

CARB Executive Order D-193-148 Engine Family Number (EFN) CGMXT06.0396

CARB Executive Order D-193-148 Engine Family Number (EFN) CGMXT06.0396 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)