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BUICK Catalytic Converters
Showing In Stock Items. Show All 140 Items.
Catalytic Converter, CalCat Universal, One Inlet, 2.50 in., One Outlet, 2.50 in. Stainless Steel, Monolithic Catalyst, Each
Part Number: WLK-83508
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converters, Universal, 3-way, Stainless Steel Case, 2.250 in. Slip Fit Inlet/Outlet, 9.000 in. Overall Length, Each
Part Number: MPE-408005
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter, California Grade CARB Compliant Universal Catalytic Converter, Stainless Steel, For use on Acure®, Alfa Romeo, Each
Part Number: MPE-3322304
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Catalytic Converter, Cal-Cat Universal, 2.500 in. Slip Fit Inlet, 2.500 in. Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Universal, Each
Part Number: WLK-82617
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Catalytic Converter, Stainless Steel, 2.50 in. Inlet, 2.50 in. Outlet, 15.0 in. Length, Universal, Each
Part Number: MPE-418006
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
CalCat CARB Catalytic Converter
Part Number: WLK-81327
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Catalytic Converters, Universal, Stainless Steel Case, 2.500 in. Slip Fit Inlet/Outlet, 12.000 in. Overall Length, Each
Part Number: WLK-84206
Not Yet Reviewed
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
Catalytic Converter, Stainless Steel, 2.25 in. Inlet, 2.25 in. Outlet, 15.0 in. Length, Universal, Each
Part Number: MPE-418005
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Catalytic Converter, 2.00 in. Slip Fit Inlet/Outlet, 13.250 in. Overall Length, Chevy, Suzuki, Toyota, Each
Part Number: WLK-82526
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Catalytic Converters, Universal, Stainless Steel Case, 2.250 in. Slip Fit Inlet/Outlet, 12.00 in. Overall Length, Audi, BMW, Chevy, Ford, Toyota, Each
Part Number: WLK-84205
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter, Walker CalCat Direct Fit Converter
Part Number: WLK-84589
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Catalytic Converter, Cal-Cat Universal, 2.500 in. Slip Fit Inlet, 2.500 in. Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Universal, Each
Part Number: WLK-81918
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Catalytic Converter, California Grade CARB Compliant Universal Catalytic Converter, Stainless Steel, Buick, Cadillac, Chevy, Each
Part Number: MPE-3322016
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Catalytic Converter, Universal, One Inlet, Ceramic Honeycomb, Stainless Steel, 2.25 in. Slip Fit Inlet/Outlet, 9.125 in. Length, Each
Part Number: MPE-5411205
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter, Cal-Cat Universal, 2.000 in. Slip Fit Inlet, 2.000 in. Slip Fit Outlet, Ceramic Honeycomb, Universal, Each
Part Number: WLK-83406
Not Yet Reviewed
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
Catalytic Converter, Universal, One Inlet, Ceramic Honeycomb, Stainless Steel, 2.25 in. Slip Fit Inlet/Outlet, 9.125 in. Length, Each
Part Number: MPE-5461205
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter, Universal, One Inlet, Ceramic Honeycomb, Stainless Steel, 2.50 in. Slip Fit Inlet/Outlet, 7 in. Length, Each
Part Number: MPE-551006
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converters, Universal, 2.00 in. Slip Fit Inlet, 14.00 in. Overall Length, for Hyundai, for Kia, for Nissan, Chevy, Chrysler, Toyota, Each
Part Number: APH-840004
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converters, Direct Fit, California Legal, Buick, Chevrolet, Front, Each
Part Number: APH-771534
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, Left Position, 26.750 in. Overall Length, Buick, Cadillac, Chevrolet, Each
Part Number: MPE-4481184
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, Buick, Pontiac, 3.4L, Each
Part Number: MPE-4551038
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, Buick, Pontiac, 3.8L, Each
Part Number: MPE-5461333
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Catalytic Converters, California Compliant, Direct-Fit
Part Number: MPE-3322431
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Catalytic Converter, Universal, 13.000 in. Length, 2.500 in. Inlet and Outlet, Each
Part Number: MPE-5451306
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, 10.75 in. Overall Length, Buick, 2.4L, Each
Part Number: MPE-551909
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
