Availability
BUICK Catalytic Converters
Showing In Stock Items. Show All 545 Items.
Catalytic Converter, Universal, 3-Way Style, Stainless Steel, Each
Part Number: MPE-51206
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter, Heavy Metal, Stainless Steel, 2.25 in. Inlet/Outlet, 13.0 in. Length, Each
Part Number: MPE-99205HM
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter, Universal, 3-Way Style, Stainless Steel, Each
Part Number: MPE-51209
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter, Universal, 3-Way Style, Stainless Steel, Each
Part Number: MPE-51205
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter, Stainless Steel, Universal, 2 1/4 in. Inlet/Outlet, 16 in. Length, Each
Part Number: MPE-94005
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter, Diesel, Universal, 2.165 in. Inlet/Outlet, Each
Part Number: MPE-60105
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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, Stainless Steel Case, 2.25 in. Slip Fit Inlet/Outlet, 14.00 in. Overall Length, Audi, Chevy, Chrysler, Ford, Jeep, Toyota, Each
Part Number: APH-602205
Not Yet Reviewed
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 Converters, Universal, Single 2.50 in. Slip-fit Inlet/Outlet, AIR Tube, Stainless Steel Case, 14.00 in. Overall Length, Each
Part Number: APH-602206
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converters, Universal, Single 2.50 in. Slip-fit Inlet/Outlet, AIR Tube, Stainless Steel Case, 16.00 in. Overall Length, Each
Part Number: APH-608216
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter, Stainless Steel, Universal, 2 1/2 in. Inlet/Outlet, 16 in. Length, Each
Part Number: MPE-94006
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter with Integrated Exhaust Manifold, Manifold Converter - Not Carb Compliant - Not For Sale -
Part Number: RNB-674-068
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter, OEM Grade, Federal/EPA Compliant, Direct-Fit, Rear Position, 37.000 in. Overall Length, Buick, 2.4L, Each
Part Number: MPE-52914
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Catalytic Converter, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, 23.00 in. Length, V6/V8, Each
Part Number: MPE-93456
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter, Heavy Metal, Stainless Steel, Each
Part Number: MPE-99209HM
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter, Stainless Steel, Universal, 2 in. Inlet/Outlet, 13 in. Length, Each
Part Number: MPE-53004
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter, Stainless Steel, Buick, 19.75 in. Length, 3.8L, Each
Part Number: MPE-93439
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 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 Converters, OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter, Buick, Chevrolet, Each
Part Number: MPE-280173
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, Stainless Steel Case, 14.00 in. Overall Length, Front Right, Buick, Chevrolet, GMC, Each
Part Number: APH-644167
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Catalytic Converter, Universal, Stainless Steel, 2.5 in. Inlet/Outlet, 13.5 in. Length, Each
Part Number: WLK-93238
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter, Stainless Steel, Buick, Cadillac, Chevy, 29.5 in. Length, 4.3, 5.7L, Passenger Side, Each
Part Number: MPE-23470
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter, Ultra Direct Fit, Stainless Steel, Buick, Pontiac, 3.8L, Each
Part Number: WLK-54752
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:
AP Exhaust Direct-Fit Catalytic Converters for 2004-2008 GRAND PRIX, 2005-2009 LACROSSE - 642278
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster