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BUICK Catalytic Converters
Showing In Stock Items. Show All 81 Items.
Catalytic Converter, Universal, 3-Way Style, Stainless Steel, Each
Part Number: MPE-51206
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 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, Universal, 3-Way Style, Stainless Steel, Each
Part Number: MPE-51204
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Catalytic Converters, Catco Federal/EPA Direct-Fit Catalytic Converter, Stainless Steel, Buick, Chevy, Each
Part Number: CTO-5073
Not Yet Reviewed
Estimated Ship Date: Apr 1, 2026 if ordered today
Estimated Ship Date: Apr 1, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
AP Exhaust Direct-Fit Catalytic Converters for 2014-2020 IMPALA, 2014-2016 IMPALA LIMITED, 2012-2016 LACROSSE - 643138
Not Yet Reviewed
Estimated Ship Date: Today
Catalytic Converters, Universal, 2.50 in. Slip Fit Inlet/Outlet, Stainless Steel Case, Ceramic Honeycomb Substrate, 14.00 in. Overall Length, Each
Part Number: APH-608266
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 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 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, Stainless Steel, Universal, 2.50 in. Inlet/Outlet, 12.5 in. Length, Each
Part Number: CTO-2566
Not Yet Reviewed
Estimated Ship Date: Apr 2, 2026 if ordered today
Estimated Ship Date: Apr 2, 2026 if ordered today
Catalytic Converter 11 4 Cyl. Buick Regal, 2.0L Engine, Rear
Part Number: CTO-5234
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
Catalytic Converter, Stainless Steel, Buick, Chevy, GMC, Saturn, 3.6L, Front Rearward, Each
Part Number: MPE-49446
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, 38.00 in. Overall Length, Buick, Each
Part Number: APH-644093
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, 13.750 in. Overall Length, Each
Part Number: APH-608286
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Catalytic Converter with Integrated Exhaust Manifold, Manifold Converter - Not Carb Compliant - Not For Sale -
Part Number: RNB-674-049
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converters, Direct-Fit, Two Stock Flange Inlets, One Stock Flange Outlet, Ceramic Honeycomb Substrate, 55.25 in. Length, Buick, Chevy, Each
Part Number: APH-643138
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic converter 12-17 4 Cyl. Buick Verano, 2.4L Engine, Rear
Part Number: CTO-5299
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Heat Shield, Buick, Chevrolet, GMC, Saturn, Each
Part Number: WLK-16574
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Heat Shield, Buick, Chevrolet, GMC, Saturn, Each
Part Number: WLK-16710
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Converter-EPA Ultra-Direct Fit
Part Number: WLK-54981
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Slip Fit Outlet, Ceramic Honeycomb, Buick, Chevrolet, Each
Part Number: WLK-16777
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter, OEM Grade, Federal/EPA Compliant, Direct-Fit, 57.00 in. Overall Length, Buick, 2.5L, Each
Part Number: MPE-280016
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Catalytic Converter, Stainless Steel, Buick, Pontiac, 3.4L, Rear, Each
Part Number: MPE-51710
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Catalytic Converter, Federal / EPA Catalytic Converter - Direct Fit
Part Number: CTO-5308
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 41.00 in. Overall Length, Rear, Buick, Chevrolet, Each
Part Number: APH-644102
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
