BUICK Catalytic Converters

Catalytic Converter, CalCat Universal, One Inlet, 2.50 in., One Outlet, 2.50 in. Stainless Steel, Monolithic Catalyst, Each

Part Number: WLK-83508

5.0 out of 5 stars ( 2 )

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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

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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, 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: Apr 6, 2026 if ordered today

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Catalytic Converter, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, 23.00 in. Length, V6/V8, Each

Part Number: MPE-93456

5.0 out of 5 stars ( 1 )

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Catalytic Converter, Stainless Steel, Buick, 19.75 in. Length, 3.8L, Each

Part Number: MPE-93439

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Apr 7, 2026 if ordered today

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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

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Estimated Ship Date: Apr 9, 2026 if ordered today

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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

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Catalytic Converter, Stainless Steel, Buick, Cadillac, Chevy, 29.5 in. Length, 4.3, 5.7L, Passenger Side, Each

Part Number: MPE-23470

5.0 out of 5 stars ( 2 )

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Catalytic Converter, Direct Fit, Stainless Steel, Buick, Chevy, Pontiac, Each

Part Number: MPE-24221

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Estimated Ship Date: Apr 6, 2026 if ordered today

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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: Apr 1, 2026 if ordered today

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Catalytic Converter, Stainless Steel, 2.50 in. Inlet, 2.50 in. Outlet, 15.0 in. Length, Universal, Each

Part Number: MPE-418006

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Estimated Ship Date: Apr 6, 2026 if ordered today

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CalCat CARB Catalytic Converter

Part Number: WLK-81327

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Estimated Ship Date: Apr 9, 2026 if ordered today

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

Part Number: RNB-674-048

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Estimated Ship Date: Apr 7, 2026 if ordered today

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Catalytic Converter, Stainless Steel, 2.25 in. Inlet, 2.25 in. Outlet, 15.0 in. Length, Universal, Each

Part Number: MPE-418005

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Catalytic Converter, 2.00 in. Slip Fit Inlet/Outlet, 13.250 in. Overall Length, Chevy, Suzuki, Toyota, Each

Part Number: WLK-82526

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 9, 2026 if ordered today

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Ultra EPA Catalytic Converter

Part Number: WLK-16935

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Estimated Ship Date: Apr 9, 2026 if ordered today

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Catalytic Converter, Federal / EPA Catalytic Converter - Direct Fit

Part Number: CTO-5372

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Estimated Ship Date: Apr 1, 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: Apr 6, 2026 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Stainless Steel Case, 17.00 in. Overall Length, Front Left, Buick, Chevrolet, GMC, Each

Part Number: APH-644166

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Catalytic Converter 08-15 6 Cyl 3.6L Engine, Front Left

Part Number: CTO-5240

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Estimated Ship Date: Apr 2, 2026 if ordered today

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Catalytic Converter, Cal-Cat Universal, 2.000 in. Slip Fit Inlet, 2.000 in. Slip Fit Outlet, Ceramic Honeycomb, Universal, Each

Part Number: WLK-83406

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Estimated Ship Date: Apr 10, 2026 if ordered today

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Catalytic Converter 08-15 6 Cyl 3.6L Engine, Front Right

Part Number: CTO-5241

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Estimated Ship Date: Apr 1, 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: Apr 6, 2026 if ordered today

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Catalytic Converter, Direct Fit, Stainless Steel, 12.50 in. Length, Chevy, Each

Part Number: CTO-1495

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Estimated Ship Date: Apr 2, 2026 if ordered today

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