Under 15000 (lb) Gross Vehicle Weight (GVW) Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required
Under 15000 (lb) Gross Vehicle Weight (GVW) Cutting and Welding Required
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 Old Body Style ; 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. Federal and California Emissions Over 8500 lbs. G.V.W.
Undercar; Over 8500 GVW Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
Over 8500 (lb) 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. Ultra Universal Type Modifications and/or Additional Parts May Be Required for Installation
Cutting and Welding Required
Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required
Over 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
Under 15000 (lb) Gross Vehicle Weight (GVW) Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required
CARB Executive Order D-193-136 Engine Family Number (EFN) TGM7.4J8G1EK Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
Under 15000 (lb) Gross Vehicle Weight (GVW) Cutting and Welding Required Not legal for sale or installation in California, Colorado or New York.
CARB Executive Order D-193-136 Engine Family Number (EFN) TGM7.4J8G1EK
Under 15000 (lb) Gross Vehicle Weight (GVW) Cutting and Welding Required
Under 15000 (lb) Gross Vehicle Weight (GVW) Cutting and Welding Required
91 Series Engine Family Number (EFN) TGM5.7JPG1EK CARB Executive Order D-280-101 ; Universal Fit - CARB Legal Note: In Compliance with CARB Emissions Requirements 2 in Inlet ID; 2 in Outlet ID; 16.5 in OAL ALL
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-182-69 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-193-100 Engine Family Number (EFN) VGM7.4J8G1EK 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 Engine Family Number (EFN) TGM5.75PGFEK Engine Family Number (EFN) TGM5.76PGFEK Cutting and Welding Required
CARB Executive Order D-193-100 Engine Family Number (EFN) VGM7.4J8G1EK Cutting and Welding Required
CARB Executive Order D-193-100 Engine Family Number (EFN) TGM7.4J8G1EK Cutting and Welding Required
CARB Executive Order D-193-100 Engine Family Number (EFN) VGM5.7CPGAEA Cutting and Welding Required
CARB Executive Order D-193-100 Engine Family Number (EFN) TGM7.4J8G1EK Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-182-47 Engine Family Number (EFN) WGMXA05.7187 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-182-47 Engine Family Number (EFN) VGM7.4J8G1EK 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
Under 15000 (lb) Gross Vehicle Weight (GVW) Not legal for sale or installation in California, Colorado or New York.
Under 15000 (lb) Gross Vehicle Weight (GVW)
CARB Executive Order D-193-136 Engine Family Number (EFN) TGM7.4J8G1EK
CARB Executive Order D-193-136 Engine Family Number (EFN) TGM7.4J8G1EK Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
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. Cutting and Welding Required
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-193-104 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
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
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
Under 15000 (lb) Gross Vehicle Weight (GVW) Not legal for sale or installation in California, Colorado or New York.
Under 15000 (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 12000 lbs. G.V.W. with two Converters 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
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 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
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)
Over 8,500lbs. Gross Vehicle Weight Cutting and Welding Required During Installation
Over 8,500lbs. Gross Vehicle Weight Cutting and Welding Required During Installation
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)
Not legal for use in California Illegal for installation in NY on vehicles equipped with California emission systems Over 8500 LBS GVW Large Outlet Flange 9-3/4" Center Hole OAL 37.5 Inches 3" Inlet Bolt Hole Pattern
Not legal for use in California Illegal for installation in NY on vehicles equipped with California emission systems over 8500 GVW, Y Cat check OAL of 47" from back flange to end of flare on passenger side arm; inlet flange bolt holes measure 3-1/4" (not 3") from center to center, has oxygen sensor port near outlet flange
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
Under 15000 (lb) Gross Vehicle Weight (GVW)
Under 15000 (lb) Gross Vehicle Weight (GVW) Not legal for sale or installation in California, Colorado or New York.
Over 8500 (lb) Gross Vehicle Weight (GVW) Not legal for sale or installation in California, Colorado or New York.
Over 8500 (lb) Gross Vehicle Weight (GVW)
Under 15000 (lb) Gross Vehicle Weight (GVW) CARB Executive Order D-193-132
Under 8500 (lb) Gross Vehicle Weight (GVW) CARB Executive Order D-193-132
Under 15000 (lb) Gross Vehicle Weight (GVW) CARB Executive Order D-193-132 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
Under 8500 (lb) Gross Vehicle Weight (GVW) CARB Executive Order D-193-132 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
Under 8500 (lb) Gross Vehicle Weight (GVW) CARB Executive Order D-193-132 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
Under 8500 (lb) Gross Vehicle Weight (GVW) CARB Executive Order D-193-132
CARB Executive Order D-193-132; Certification Level : PRE-OBDII OE Spec Cutting and Welding Required During Installation
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-193-136 Engine Family Number (EFN) VGM5.7HPG1EK 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) VGM5.7HPG1EK
Browse our selection of quality catalytic converter parts designed specifically for your GMC K3500. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Sierra · Sierra SL · Sierra SLE · Sierra SLT · Sierra SLX
Cab & Chassis · Crew Cab Pickup · Extended Cab Pickup · Standard Cab Pickup
V8 5.7L · V8 6.2L · V8 6.5L · V8 7.4L
Automatic · Manual
