BUICK Catalytic Converters

CalCat CARB Catalytic Converter

Part Number: WLK-81327

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Catalytic Converter, California Grade CARB Compliant Universal Catalytic Converter, Stainless Steel, Audi, BMW, Chevy, Dodge, Each

Part Number: MPE-3322305

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Estimated Ship Date: Feb 17, 2026 if ordered today

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

Part Number: MPE-49445

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Estimated Ship Date: Feb 19, 2026 if ordered today

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Catalytic Converter 12-15 4 Cyl. Mazda 5, 2.5L Engine, Front, Manifold Unit

Part Number: CTO-5281

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Estimated Ship Date: Feb 16, 2026 if ordered today

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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-5411205

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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 13, 2026 if ordered today

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

Part Number: CTO-5070

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Estimated Ship Date: Feb 13, 2026 if ordered today

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Ultra EPA Catalytic Converter

Part Number: WLK-16935

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Catalytic Converter, California Grade CARB Compliant Universal Catalytic Converter, Stainless Steel, For use on Acure®, Alfa Romeo, Each

Part Number: MPE-3322304

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Estimated Ship Date: Feb 19, 2026 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Substrate, 54.63 in. Overall Length, Buick, Each

Part Number: APH-643135

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Estimated Ship Date: Feb 17, 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 18, 2026 if ordered today

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Catalytic Converter, California Grade CARB Compliant Universal Catalytic Converter, Stainless Steel, Audi, Volvo, Each

Part Number: MPE-3322306

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Estimated Ship Date: Today

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Catalytic Converter, Direct Fit, Stainless Steel Case, Buick, Chevy, GMC, Isuzu, Saab, Each

Part Number: WLK-16671

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Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Substrate, 16.00 in. Overall Length, Buick, Chevrolet, 2.0L, Each

Part Number: APH-641600

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Estimated Ship Date: Feb 17, 2026 if ordered today

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Catalytic Converters, Direct-Fit, Three Stock Flange Inlets, One Stock Flange Outlet, 22.00 in. Overall Length, Front, Buick, Saab, 2.0L, Each

Part Number: APH-641570

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Estimated Ship Date: Feb 17, 2026 if ordered today

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Catalytic Converter, OEM Grade, Federal/EPA Compliant, Direct-Fit, Buick, Pontiac, 3.4L, Each

Part Number: MPE-52039

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Estimated Ship Date: Feb 17, 2026 if ordered today

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Catalytic Converter, OEM Grade, Federal/EPA Compliant, Direct-Fit, Buick, Chevy, Saturn, 3.9L, Each

Part Number: MPE-52098

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Estimated Ship Date: Feb 17, 2026 if ordered today

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Catalytic Converter, California Grade CARB Compliant Universal Catalytic Converter, Stainless Steel, American Motors, Buick, Chevy, Each

Part Number: MPE-3322014

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Estimated Ship Date: Feb 17, 2026 if ordered today

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Catalytic Converter, Stainless Steel Case, Buick, Each

Part Number: MPE-52896

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Estimated Ship Date: Feb 17, 2026 if ordered today

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Catalytic Converter, Direct-Fit Catalytic Converter

Part Number: MPE-52906

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Estimated Ship Date: Feb 17, 2026 if ordered today

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Catalytic Converter Conv DF 13-14 LaCrosse 3.6 CC

Part Number: MPE-52594

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Estimated Ship Date: Feb 17, 2026 if ordered today

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Preconverter

Part Number: RNB-679-542

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Estimated Ship Date: Feb 19, 2026 if ordered today

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Preconverter

Part Number: RNB-679-543

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Estimated Ship Date: Feb 19, 2026 if ordered today

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Catalytic Converter, Pre-Converter - Not CARB Compliant

Part Number: RNB-679-531

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Estimated Ship Date: Feb 19, 2026 if ordered today

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Ultra EPA Catalytic Converter

Part Number: WLK-14797

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Estimated Ship Date: Feb 23, 2026 if ordered today

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