BUICK Catalytic Converters

Catalytic Converter, Universal Catalytic Converter - 2.25in.

Part Number: MPE-448305

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Estimated Ship Date: Nov 7, 2025 if ordered today

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California Universal Catalytic Converter - 2.25in.

Part Number: MPE-5671605

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Estimated Ship Date: Nov 7, 2025 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 36.00 in. Length, Buick, Chevrolet, Pontiac, 5.3L, Each

Part Number: APH-642101

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Estimated Ship Date: Nov 6, 2025 if ordered today

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

Part Number: CTO-4531

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Catalytic Converters, Universal, 2.00 in. Slip Fit Inlet/Outlet, Stainless Steel Case, Ceramic Honeycomb Substrate, 12.00 in. Overall Length, Each

Part Number: APH-608294

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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 Honeycomb Substrate, 15.13 in. Length, Buick, Chevrolet, GMC, Saturn, Each

Part Number: APH-644035

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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 Honeycomb Substrate, 37.88 in. Overall Length, Buick, Pontiac, Each

Part Number: APH-642278

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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, Each

Part Number: MPE-49227

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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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Catalytic Converter, Stainless Steel, Each

Part Number: MPE-49221

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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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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: 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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Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, 16.000 in. Overall Length, Each

Part Number: MPE-5592306

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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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Catalytic Converter, Stainless Steel, Universal, 2.5 in. Inlet/Outlet, 18 in. Length, Each

Part Number: WLK-15142

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 11, 2025 if ordered today

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Ultra EPA Catalytic Converter

Part Number: WLK-16953

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Estimated Ship Date: Nov 11, 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, Ultra Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Buick, Each

Part Number: WLK-16776

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Estimated Ship Date: Nov 11, 2025 if ordered today

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EPA OBDII Direct Fit Converter

Part Number: CTO-1344

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Estimated Ship Date: Nov 4, 2025 if ordered today

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Catalytic Converter, Stainless Steel, Buick, Pontiac, 38.375 in Length, 3.8L, Each

Part Number: CTO-4975

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Estimated Ship Date: Nov 4, 2025 if ordered today

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Catalytic Converter, Direct-Fit, Stainless Steel, Each

Part Number: CTO-9035

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 4, 2025 if ordered today

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Catalytic Converter, Direct-Fit, Stainless Steel, Each

Part Number: CTO-9154

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Estimated Ship Date: Nov 4, 2025 if ordered today

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Catalytic Converter, Direct Fit, Ceramic, Stainless Steel, Chevrolet, Buick, GMC, Isuzu, Saab, Each

Part Number: CTO-9544

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Estimated Ship Date: Nov 4, 2025 if ordered today

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Catalytic Converter, Stainless Steel, Jeep, 4.0L, Each

Part Number: WLK-15041

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Estimated Ship Date: Nov 11, 2025 if ordered today

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