Cutting and Welding Required Not Permitted for Use in the State of Colorado
Not Permitted for Use in the State of Colorado Cutting and Welding Required Not legal for sale or installation in California, Colorado or New York.
Not Permitted for Use in the State of Colorado Cutting and Welding Required 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 Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required
Cutting and Welding Required without Pre-Converter
with Federal Emissions System Cutting and Welding Required
without Pre-Converter Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required
California Emissions; Undercar Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
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
91 Series Engine Family Number (EFN) 3GMXA06.0188 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
California Emissions; Undercar Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
with Federal Emissions System
without Pre-Converter Not legal for sale or installation in California, Colorado or New York.
with Federal Emissions System Not legal for sale or installation in California, Colorado or New York.
without Pre-Converter
CARB Executive Order D-193-103 Engine Family Number (EFN) 4GMXT08.1201 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
without Pre-Converter Not legal for sale or installation in California, Colorado or New York.
CARB Executive Order D-193-103 Engine Family Number (EFN) 4GMXT08.1201 Cutting and Welding Required
without Pre-Converter
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. (157.5" & 167" W.B.) 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
without Pre-Converter Not legal for sale or installation in California, Colorado or New York.
with California Emissions System Low Emission Vehicle (LEV)
without Pre-Converter
with California Emissions System Low Emission Vehicle (LEV) Not legal for sale or installation in California, Colorado or New York.
CARB Executive Order D-193-145 Engine Family Number (EFN) 6GMXH06.0583 Engine Family Number (EFN) 6GMXH06.0593 without Pre-Converter 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) 4GMXT08.1201 Cutting and Welding Required
CARB Executive Order D-193-145 Engine Family Number (EFN) 6GMXH06.0583 Engine Family Number (EFN) 6GMXH06.0593 without Pre-Converter
CARB Executive Order D-193-103 Engine Family Number (EFN) 4GMXT08.1201 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-100 Engine Family Number (EFN) 4GMXT06.0188 Cutting and Welding Required
Cutting and Welding Required Not Permitted for Use in the State of Colorado
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
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 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.
Not Permitted for Use in the State of Colorado Cutting and Welding Required During Installation 4in.
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.
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
Browse our selection of quality catalytic converter parts designed specifically for your GMC Sierra 3500. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Base · SL · SLE · SLT · WT
Cab & Chassis · Crew Cab Pickup · Extended Cab Pickup · Standard Cab Pickup
V8 6.0L · V8 6.6L · V8 8.1L
Automatic · Manual
