Availability
BUICK Catalytic Converters
Converter - Direct Fit EPA
Part Number: APH-641628
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, 2.250 in. Slip Fit Inlet, 2.250 in. Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Universal, Each
Part Number: WLK-82529
Not Yet Reviewed
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
Converter-CalCat-Direct Fit
Part Number: WLK-84224
Not Yet Reviewed
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
Catalytic Converter, Cal-Cat Universal, 2.500 in. Slip Fit Inlet, 2.500 in. Slip Fit Outlet, Ceramic Honeycomb, Universal, Each
Part Number: WLK-84302
Not Yet Reviewed
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
CalCat CARB Catalytic Converter
Part Number: WLK-84801
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, Direct Fit, Buick, Chevy, Pontiac, 41.50 in. Length, 3.1, 3.4L, Each
Part Number: CTO-4850
Not Yet Reviewed
Estimated Ship Date: Apr 2, 2026 if ordered today
Estimated Ship Date: Apr 2, 2026 if ordered today
Catalytic Converter, Stainless Steel, Buick, Cadillac, Chevy, Oldsmobile, Pontiac, 22.75 in. Length, 4.1, 5.0L
Part Number: MPE-23447
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Catalytic Converters, Universal, 2.50 in. Slip Fit Inlet/Outlet, Ceramic Honeycomb Substrate, 16.50 in. Length, Buick, Cadillac, Chevy, Dodge, Each
Part Number: APH-605006
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 41.50 in. Overall Length, Buick, Chevrolet, Pontiac, Each
Part Number: APH-642525
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, Chevy, Oldsmobile, Pontiac, 3.8L, Each
Part Number: MPE-4481405
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Catalytic Converter, California Grade CARB Compliant Universal Catalytic Converter, Stainless Steel, American Motors, Buick, Chevy, Each
Part Number: MPE-3322014
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Catalytic Converter, California Grade, Universal, Stainless Steel Case, 9.000 in. Overall Length, 2.500 in. Inlet/Outlet, Each
Part Number: MPE-5551206
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, Buick, Chevy, Pontiac, 3.8L, Each
Part Number: MPE-4561396
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Catalytic Converters, Universal, 2.50 in. Slip Fit Inlet/Outlet, Ceramic Honeycomb Substrate, 16.50 in. Overall Length, Each
Part Number: APH-604006
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, Front Forward, 14.875 in. Overall Length, Buick, Chevy, GMC, Saturn, Each
Part Number: MPE-5582445
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Catalytic Converter, Stainless Steel, Universal, 2.5 in. Inlet/Outlet, 16.5 in. Length, Each
Part Number: CTO-9006
Not Yet Reviewed
Estimated Ship Date: Apr 2, 2026 if ordered today
Estimated Ship Date: Apr 2, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, 13.00 in. Overall Length, Front Left, Buick, 3.6L, Each
Part Number: APH-641564
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Catalytic Converters, Universal, 1.75 in. Slip Fit Inlet/Outlet, 14.00 in. Overall Length, Buick, Cadillac, Chevrolet, Oldsmobile, Pontiac, Each
Part Number: APH-602003
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Catalytic Converters, Universal, 2.25 in. Slip Fit Inlet/Outlet, Stainless Steel Case, Ceramic Honeycomb Substrate, 16.00 in. Overall Length, Each
Part Number: APH-608735
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, 60.50 in. Overall Length, Buick, Chevrolet, Pontiac, Saturn, Each
Part Number: APH-643017
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Catalytic Converters, Universal, 2.25 in. Slip Fit Inlet/Outlet, Stainless Steel Case, Ceramic Honeycomb Substrate, 14.00 in. Overall Length, Each
Part Number: APH-608705
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Buick, Each
Part Number: WLK-16776
Not Yet Reviewed
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Buick, Each
Part Number: WLK-54937
Not Yet Reviewed
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
Catalytic Converter, Direct-Fit, Stainless Steel, Each
Part Number: WLK-54627
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Catalytic Converter 05-08 6 Cyl. Buick LaCrosse, 3.6L Engine, Center
Part Number: CTO-5270
Not Yet Reviewed
Estimated Ship Date: Apr 2, 2026 if ordered today
Estimated Ship Date: Apr 2, 2026 if ordered today
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