Undercar; Under 8500 GVW Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
Under 8500 (lb) Gross Vehicle Weight (GVW) Cutting and Welding Required
Under 8500 (lb) Gross Vehicle Weight (GVW) Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required
Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required
Cutting and Welding Required
Undercar Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
Under 8500 Gross Vehicle Weight (GVW) 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. Standard Universal Type Modifications and/or Additional Parts May Be Required for Installation
Universal Fit; EPA OBDII By Design 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. Under 8500 lbs GVW, Federal and California Emissions
Cutting and Welding Required
with 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
Over 8500 Gross Vehicle Weight (GVW) Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required
Cutting and Welding Required
Cutting and Welding Required
Under 8500 (lb) Gross Vehicle Weight (GVW) Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required
Cutting and Welding Required Not legal for sale or installation in California, Colorado or New York.
Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required
Under 8500 (lb) Gross Vehicle Weight (GVW) Not legal for sale or installation in California, Colorado or New York.
Cutting and Welding Required Not legal for sale or installation in California, Colorado or New York.
Under 8500 (lb) Gross Vehicle Weight (GVW)
Cutting and Welding Required
Over 8500 Gross Vehicle Weight (GVW) Not legal for sale or installation in California, Colorado or New York.
Cutting and Welding Required
Over 8500 (lb) Gross Vehicle Weight (GVW)
Cutting and Welding Required
CARB Executive Order D-193-136 Engine Family Number (EFN) TGM7.4J8G1EK
91 Series Engine Family Number (EFN) TGM7.4J8G1EK 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
CARB Executive Order D-193-136 Engine Family Number (EFN) TGM5.75PGFEK
CARB Executive Order D-182-69 Engine Family Number (EFN) TGM5.7CPGAEA 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-193-136 Engine Family Number (EFN) TGM5.75PGFEK Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
Under 8500 (lb) Gross Vehicle Weight (GVW)
Under 8500 (lb) Gross Vehicle Weight (GVW) Not legal for sale or installation in California, Colorado or New York.
CARB Executive Order D-193-100 Engine Family Number (EFN) TGM5.75PGFEK 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) TGM5.7JPG1EK Cutting and Welding Required
CARB Executive Order D-193-100 Engine Family Number (EFN) TGM5.75PGFEK Cutting and Welding Required
CARB Executive Order D-193-100 Engine Family Number (EFN) TGM7.4J8G1EK Cutting and Welding Required
CARB Executive Order D-182-47 Engine Family Number (EFN) TGM7.4J8G1EK 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-193-136 Engine Family Number (EFN) TGM5.75PGFEK
CARB Executive Order D-193-136 Engine Family Number (EFN) TGM5.75PGFEK Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-136 Engine Family Number (EFN) TGM7.4J8G1EK
Under 9000 (lb) Gross Vehicle Weight (GVW) Cutting and Welding Required
Cutting and Welding Required
Under 9000 (lb) Gross Vehicle Weight (GVW) Cutting and Welding Required Not legal for sale or installation in California, Colorado or New York.
Cutting and Welding Required Not legal for sale or installation in California, Colorado or New York.
Undercar Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
CARB Executive Order D-193-104 Cutting and Welding Required
CARB Executive Order D-193-104 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
Not legal for sale or installation in California, Colorado or New York.
Under 8500 Gross Vehicle Weight (GVW) with Federal/California Emissions System Exhaust Gasket is Recommended 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. Standard Direct Fit Type
Undercar; Over 8500 GVW Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
Cutting and Welding Required Not legal for sale or installation in California, Colorado or New York.
Cutting and Welding Required
Under 8500 (lb) Gross Vehicle Weight (GVW) Not legal for sale or installation in California, Colorado or New York.
Under 8500 (lb) Gross Vehicle Weight (GVW)
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. To 12,000 lbs. GVW. Federal and California Emissions
98 Series CARB Executive Order D-280-94 ; Universal Fit - CARB Pre-OBDII Legal Note: In Compliance with CARB Emissions Requirements 3 in Inlet ID; 3 in Outlet ID; 16.5 in OAL ALL
CARB Executive Order D-193-104 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-104 Cutting and Welding Required
Undercar; Over 8500 GVW Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
CARB Executive Order D-193-105 Cutting and Welding Required
CARB Executive Order D-193-105 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-105 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-105 Cutting and Welding Required
CARB Executive Order D-182-55 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-182-55 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-193-132
CARB Executive Order D-193-132 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-132; Certification Level : PRE-OBDII OE Spec Cutting and Welding Required During Installation
CARB Executive Order D-193-132 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-132
CARB Executive Order D-193-132 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-132
Browse our selection of quality catalytic converter parts designed specifically for your GMC G3500. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Magnavan · Rally · Rally Camper Special · Rally Custom · Rally STX · Vandura · Vandura Special
Cutaway Van · Extended Cargo Van · Extended Passenger Van · Standard Cargo Van · Standard Passenger Van
L6 4.1L · V6 4.3L · V8 5.7L · V8 6.2L · V8 6.5L · V8 6.6L · V8 7.4L
Automatic · Manual
