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
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)
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
Cutting and Welding Required
Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required
Not legal for use in California Illegal for installation in NY on vehicles equipped with California emission systems Federal & California Emissions
Federal, 47-State Only, Not legal for sale in CA, NY or ME
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 Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
Engine Family Number (EFN) XGMXV02.4026 Not legal for sale or use in California. Legal for sale in other CARB-compliant states for use on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details Universal Type CARB Executive Order D-182-69 Modifications and/or Additional Parts May Be Required for Installation
CARB Executive Order D-193-119 Engine Family Number (EFN) XGMXV03.4042 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.
CARB Executive Order D-193-119 Engine Family Number (EFN) XGMXV03.4042 Cutting and Welding Required
Not legal for sale or installation in California, Colorado or New York.
CARB Executive Order D-182-57 Engine Family Number (EFN) XGMXV02.4027 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
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.
Not legal for sale or installation in California, Colorado or New York.
770 Series 4 in Round Body Engine Family Number (EFN) YGMXV03.8043 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-193-113 Engine Family Number (EFN) YGMXV03.8043 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) YGMXV02.4022 Cutting and Welding Required
CARB Executive Order D-193-113 Engine Family Number (EFN) YGMXV03.8043 Cutting and Welding Required
CARB Executive Order D-193-113 Engine Family Number (EFN) YGMXV02.4022 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
Air Gap Pipe Air Space Between Pipes Acts as a Heat Insulator Appearance may be different than OE Pipe Optional Extra Precious Metal Loading Type Fits Fed. & Calif. Emission Models Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Exhaust Gasket is Recommended Ultra EX Direct Fit Type
CARB Executive Order D-193-114 Engine Family Number (EFN) 4GMXV02.2025 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-114 Engine Family Number (EFN) 4GMXV02.2025 Cutting and Welding Required
CARB Executive Order D-193-139 Engine Family Number XGMXV02.4027 ; Certification Level : LEV1 LEV OE Spec Cutting and Welding Required During Installation
CARB Executive Order D-193-139 Engine Family Number (EFN) YGMXV02.4022
CARB Executive Order D-193-139 Engine Family Number (EFN) YGMXV02.4022 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-193-140 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-193-139 Engine Family Number (EFN) YGMXV03.8043
CARB Executive Order D-193-139 Engine Family Number (EFN) YGMXV03.8043 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) 2GMXV02.4022 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) 2GMXV02.4022
CARB Executive Order D-193-140 Engine Family Number (EFN) 4GMXV03.8042
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-193-142 Engine Family Number (EFN) 4GMXV02.2025 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) 4GMXV02.2025
CARB Executive Order D-193-142 Engine Family Number (EFN) 2GMXV03.8044
CARB Executive Order D-193-142 Engine Family Number (EFN) 2GMXV03.8044 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
Browse our selection of quality catalytic converter parts designed specifically for your Oldsmobile Alero. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
GL · GLS · GX
Coupe · Sedan
L4 2.2L · L4 2.4L · V6 3.4L
Automatic · Manual
