BUICK Catalytic Converters

Catalytic Converter, Universal, 3-Way Style, Stainless Steel, Each

Part Number: MPE-51206

4.0 out of 5 stars ( 5 )

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Catalytic Converter, Universal, 3-Way Style, Stainless Steel, Each

Part Number: MPE-51205

5.0 out of 5 stars ( 1 )

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Catalytic Converters, Catco Federal/EPA Direct-Fit Catalytic Converter, Stainless Steel, Buick, Chevy, Each

Part Number: CTO-5073

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Estimated Ship Date: Feb 4, 2026 if ordered today

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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

5.0 out of 5 stars ( 1 )

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Catalytic Converter with Integrated Exhaust Manifold, Manifold Converter - Not Carb Compliant - Not For Sale -

Part Number: RNB-674-068

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Catalytic Converter, Universal, 3-Way Style, Stainless Steel, Each

Part Number: MPE-51204

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Feb 6, 2026 if ordered today

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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

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Catalytic Converter 11 4 Cyl. Buick Regal, 2.0L Engine, Rear

Part Number: CTO-5234

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Estimated Ship Date: Feb 3, 2026 if ordered today

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Catalytic Converter, Stainless Steel, Buick, Chevy, GMC, Saturn, 3.6L, Front Rearward, Each

Part Number: MPE-49446

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Catalytic Converter, Universal, One Inlet, Ceramic Honeycomb, Stainless Steel, 2.50 in. Slip Fit Inlet/Outlet, 13 in. Length, Each

Part Number: MPE-557406

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 38.00 in. Overall Length, Buick, Each

Part Number: APH-644093

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Catalytic Converter, Stainless Steel, Universal, 2.50 in. Inlet/Outlet, 12.5 in. Length, Each

Part Number: CTO-2566

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Catalytic Converter with Integrated Exhaust Manifold, Manifold Converter - Not Carb Compliant - Not For Sale -

Part Number: RNB-674-049

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Converter-EPA Ultra-Direct Fit

Part Number: WLK-54981

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Catalytic converter 12-17 4 Cyl. Buick Verano, 2.4L Engine, Rear

Part Number: CTO-5299

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Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Heat Shield, Buick, Chevrolet, GMC, Saturn, Each

Part Number: WLK-16710

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Catalytic Converter, Universal, One Inlet, Ceramic Honeycomb, Stainless Steel, 2.25 in. Slip Fit Inlet/Outlet, 9.125 in. Length, Each

Part Number: MPE-5421205

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Catalytic Converter, OEM Grade, Federal/EPA Compliant, Direct-Fit, 57.00 in. Overall Length, Buick, 2.5L, Each

Part Number: MPE-280016

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Catalytic Converter, OEM Grade, Federal/EPA Compliant, Direct-Fit, Rear Position, 38.125 in. Overall Length, Buick, 2.4L, Each

Part Number: MPE-21-177

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Catalytic Converter, Stainless Steel, Buick, 2.0L, Rear, Each

Part Number: MPE-51707

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Converter-CalCat-Direct Fit

Part Number: WLK-84224

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Estimated Ship Date: Feb 11, 2026 if ordered today

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Catalytic Converter, OEM Grade, Federal/EPA Compliant, Direct-Fit, Rear Position, 37.000 in. Overall Length, Buick, 2.4L, Each

Part Number: MPE-52914

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Catalytic Converter, Stainless Steel, Buick, Chevy, GMC, Saturn, 3.6L, Rear, Each

Part Number: MPE-51579

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Catalytic Converter, Direct Fit, Stainless Steel, 16.00 in. Length, Buick, Chevy, Each

Part Number: CTO-1504

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Estimated Ship Date: Feb 3, 2026 if ordered today

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Catalytic Converters, Direct-Fit, Two Stock Flange Inlets, One Stock Flange Outlet, 57.00 in. Overall Length, Rear, Buick, Cadillac, 3.6L, Each

Part Number: APH-644103

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Estimated Ship Date: Feb 9, 2026 if ordered today

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