Universal Fit; Pre-OBDII Standard 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 and California Emissions
Universal Fit; Pre-OBDII Standard 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 and California Emissions
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
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
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
Cutting and Welding Required
Cutting and Welding Required
Cutting and Welding Required 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.
Cutting and Welding Required
Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required
Universal Fit; EPA Enhanced 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. 2.50 in Inlet ID; 2.50 in Outlet ID Federal and California Emissions
Universal Fit; EPA Enhanced 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. Without PZEV Federal and California Emissions
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. (w/ post Conv. O2 sensor) Federal and California Emissions
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. Federal and California Emissions
Cutting and Welding Required
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
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
Undercar Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
Undercar Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
Undercar; Without Air Tube Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
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
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)
Not legal for sale or installation in California, Colorado or New York.
Not legal for sale or installation in California, Colorado or New York.
Not legal for sale or installation in California, Colorado or New York.
Universal Fit; Select+Plus 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
Cutting and Welding Required
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. Cutting and Welding Required
Cutting and Welding Required
Cutting and Welding Required
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
Cutting and Welding Required
This is a recertified OEM catalytic converter for vehicles with the 2.4L engine.
Condition: Excellent (A)
Mileage: 96,100 miles
This catalytic converter is a recertified OEM part for vehicles with the 2.4L engine.
Condition: Excellent (A)
Mileage: 96,100 miles
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
Not legal for sale or installation in California, Colorado or New York.
Direct Fit Federal, 47-State Only, Not legal for sale in CA, NY or ME
with Federal/California Emissions System Exhaust Gasket is Recommended Additional part(s) needed to complete installation - 31605 and 31578 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 Direct Fit Type
Undercar Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
Not legal for sale or installation in California, Colorado or New York.
Not legal for use in California Illegal for installation in NY on vehicles equipped with California emission systems
Not legal for sale or installation in California, Colorado or New York.
CARB Executive Order D-193-147 Engine Family Number (EFN) CGMXV02.4060 Except Partial Zero Emissions Vehicle (PZEV)
CARB Executive Order D-193-147 Engine Family Number (EFN) CGMXV02.4060 Except Partial Zero Emissions Vehicle (PZEV) Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-133 Engine Family Number (EFN) BGMXJ02.4151 Except Partial Zero Emissions Vehicle (PZEV) Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-133 Engine Family Number (EFN) BGMXJ02.4151 Except Partial Zero Emissions Vehicle (PZEV) 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.
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
CARB Executive Order D-193-119 Engine Family Number (EFN) TGM3.1V8GFEK Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-119 Engine Family Number (EFN) TGM3.8V8GKEK 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.
This is a recertified OEM rear catalytic converter for vehicles with the 2.0L engine.
Condition: Excellent (A)
Mileage: 21,000 miles
CARB Executive Order D-193-119 Engine Family Number (EFN) TGM3.1V8GFEK Cutting and Welding Required
CARB Executive Order D-193-119 Engine Family Number (EFN) TGM3.8V8GKEK Cutting and Welding Required
CARB Executive Order D-193-133 Engine Family Number (EFN) FGMXJ02.4199 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-133 Engine Family Number (EFN) FGMXJ02.4199 Cutting and Welding Required
CARB Executive Order D-193-133 Engine Family Number (EFN) BGMXV02.0001 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-182-65 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-193-133 Engine Family Number (EFN) BGMXV02.0001 Cutting and Welding Required
Undercar Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
CARB Compliant: No
CARB Executive Order D-193-150 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-150 Cutting and Welding Required
CARB Executive Order D-193-150 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-150 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-150 Cutting and Welding Required
CARB Executive Order D-193-150 Cutting and Welding Required
770 Series 4 in Round Body Engine Family Number (EFN) TGM3.1V8GFEK CARB Executive Order D-798-10 ; Universal Fit - CARB Legal Note: In Compliance with CARB Emissions Requirements 2.25 in Inlet ID; 2.25 in Outlet ID ALL
770 Series 4 in Round Body Engine Family Number (EFN) TGM3.1V8GFEK CARB Executive Order D-798-10 ; Universal Fit - CARB Legal Note: In Compliance with CARB Emissions Requirements 2.25 in Inlet ID; 2.25 in Outlet ID; w/O2 Fitting ALL
CARB Executive Order D-193-147 Engine Family Number (EFN) GGMXV02.4060
CARB Executive Order D-193-147 Engine Family Number (EFN) GGMXV02.4060 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Compliant: No
Not legal for sale or installation in California, Colorado or New York.
CARB Executive Order D-182-73 Engine Family Number (EFN) CGMXV02.4060 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. Exhaust Gasket is Recommended Additional part(s) needed to complete installation - 31602 and 31589 Direct Fit Type
Not legal for sale or installation in California, Colorado or New York.
CARB Executive Order D-193-147 Engine Family Number (EFN) CGMXV02.4060 Except Partial Zero Emissions Vehicle (PZEV) 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.
CARB Executive Order D-193-155 Engine Family Number (EFN) BGMXV02.4050 Cutting and Welding Required
Not legal for sale or installation in California, Colorado or New York.
CARB Executive Order D-193-150 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-150 Cutting and Welding Required
CARB Executive Order D-193-150 Cutting and Welding Required
CARB Executive Order D-193-150 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-113 Engine Family Number (EFN) TGM3.1V8GFEK Cutting and Welding Required
CARB Executive Order D-193-113 Engine Family Number (EFN) 1GMXV03.8043 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-113 Engine Family Number (EFN) 1GMXV03.8043 Cutting and Welding Required
CARB Executive Order D-193-113 Engine Family Number (EFN) TGM3.1V8GFEK Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-147 Engine Family Number (EFN) CGMXV02.4060 Except Partial Zero Emissions Vehicle (PZEV)
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-193-150 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-150
CARB Executive Order D-193-150
CARB Executive Order D-193-150 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-139 Engine Family Number TGM3.1V8GFEK ; Certification Level : TIER1 OE Spec Cutting and Welding Required During Installation
Optional Extra Precious Metal Loading Type 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. Ultra EX Direct Fit Type
CARB Executive Order D-193-147 Engine Family Number (EFN) CGMXV02.4060 Except Partial Zero Emissions Vehicle (PZEV)
CARB Executive Order D-193-147 Engine Family Number (EFN) CGMXV02.4060 Except Partial Zero Emissions Vehicle (PZEV) Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-140 Engine Family Number (EFN) 4GMXV03.8042 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-140 Engine Family Number (EFN) 4GMXV03.8042 Cutting and Welding Required
CARB Executive Order D-193-147 Engine Family Number (EFN) CGMXV02.4060 Except Partial Zero Emissions Vehicle (PZEV) Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-147 Engine Family Number (EFN) CGMXV02.4060 Except Partial Zero Emissions Vehicle (PZEV)
CARB Executive Order D-193-142 Engine Family Number (EFN) YGMXV03.8901 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-142 Engine Family Number (EFN) YGMXV03.8901
CARB Executive Order D-193-139 Engine Family Number (EFN) TGM3.8V8GKEK
CARB Executive Order D-193-139 Engine Family Number (EFN) TGM3.1V8GFEK Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-139 Engine Family Number (EFN) TGM3.1V8GFEK
CARB Executive Order D-193-155 Engine Family Number (EFN) BGMXV02.4050
CARB Executive Order D-193-139 Engine Family Number (EFN) VGM3.8V8G1FK Engine Family Number (EFN) VGM3.8V8G2EK
CARB Executive Order D-193-139 Engine Family Number (EFN) VGM3.8V8G1FK Engine Family Number (EFN) VGM3.8V8G2EK Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-140 Engine Family Number (EFN) 4GMXV03.8042 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-140 Engine Family Number (EFN) 4GMXV03.8042
CARB Executive Order D-193-155 Engine Family Number (EFN) BGMXV02.4050
Browse our selection of quality catalytic converter parts designed specifically for your Buick Regal. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
25th Anniversary Edition · Base · CXL · Custom · Estate Wagon · GNX · GS · GSE · Gran Sport · Grand National · LS · LSE · Limited · Limited Turbo · Olympic Gold Edition · Premium · SR · Sport · Sport Touring · T-Type
Coupe · Sedan · Wagon
L4 2.0L · L4 2.4L · V6 2.8L · V6 3.1L · V6 3.2L · V6 3.8L · V6 4.1L · V6 4.3L · V8 4.3L · V8 4.4L · V8 4.9L · V8 5.0L · V8 5.7L
Automatic · Manual
