BUICK Catalytic Converters

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: Nov 7, 2025 if ordered today

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Ultra EPA Catalytic Converter

Part Number: WLK-16935

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Converter - Direct Fit EPA

Part Number: APH-641628

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Estimated Ship Date: Nov 6, 2025 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Substrate, 13.13 in. Overall Length, Front Right, Buick, Cadillac, Chevy, Each

Part Number: APH-641477

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Estimated Ship Date: Nov 6, 2025 if ordered today

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Ultra EPA Catalytic Converter

Part Number: WLK-16873

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Ultra EPA Catalytic Converter

Part Number: WLK-16870

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Ultra EPA Catalytic Converter

Part Number: WLK-16871

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Ultra EPA Catalytic Converter

Part Number: WLK-16872

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Catalytic Converter with Integrated Exhaust Manifold, Manifold Preconverter

Part Number: RNB-674-484

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Manifold Converter - CARB Compliant

Part Number: RNB-673-854

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Stainless Steel Case, 12.50 in. Overall Length, Front, Chevrolet, 2.5L, Each

Part Number: APH-641591

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Estimated Ship Date: Nov 10, 2025 if ordered today

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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: Nov 7, 2025 if ordered today

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Manifold Converter

Part Number: RNB-673-049

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Estimated Ship Date: Nov 10, 2025 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: Nov 10, 2025 if ordered today

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Preconverter

Part Number: RNB-679-542

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Preconverter

Part Number: RNB-679-543

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Ultra EPA Catalytic Converter

Part Number: WLK-55744

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Substrate, 14.25 in. Overall Length, Buick, Chevrolet, GMC, Saturn, Each

Part Number: APH-644034

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Catalytic Converter, 12-15 4 Cyl. Buick Verano, 2.4L Engine, Front 10-16 4 Cyl. Buick LaCrosse, 2.4L Engine, Front

Part Number: APH-644092

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Estimated Ship Date: Nov 10, 2025 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: Nov 10, 2025 if ordered today

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• Mfr. Rebate

Mail - In Rebate

Rebate amount based on part(s) total.

Rebate Expires: 12/31/2025

Buy Converter and get up to $75 back after sending in your old one! Please visit www.magnaflow.com/pages/retailer-recycling-program ...Read More

Buy a Magnaflow Converter and get UP TO $75 back after sending in your old OEM one! Visit www.magnaflow.com/pages/retailer-recycling-program to begin the rebate redemption process. Valid on purchases made between 1/1/25 and 12/31/25. Open to legal residents of the 50 United States and District of Columbia. Only OE (original equipment) converters are eligible for a refund. Rebate will be in the form of a Visa Prepaid card. Please allow 4-6 weeks to receive rebate. Show Less

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