Summit Racing SpeedCard - learn how to get 10% back up to $100

Summit Racing SpeedCard - learn how to get 10% back up to $100

Save Now on Select Lighting Products!

BUICK Catalytic Converters

Individual Parts

Results 1 - 25 of 69

MagnaFlow Universal Catalytic Converters 51206

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

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.

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

Part Number: MPE-51206

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

  • 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

    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.

...Loading

Estimated Ship Date: Today

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

Part Number: CTO-5281

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 4, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 4, 2025 if ordered today

MagnaFlow Direct-Fit Catalytic Converters 93496

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

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.

Catalytic Converter, Direct-Fit, Stainless Steel, Each

Part Number: MPE-93496

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

  • 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

    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.

...Loading

Estimated Ship Date: Today

MagnaFlow Direct-Fit Catalytic Converters 49445

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

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.

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

Part Number: MPE-49445

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

  • 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

    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.

...Loading

Estimated Ship Date: Nov 10, 2025 if ordered today

Catalytic Converters, OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter, Buick, Chevrolet, Each

Part Number: MPE-280173

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 10, 2025 if ordered today

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

Part Number: WLK-16671

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

MagnaFlow Universal Catalytic Converters 5411205

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

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.

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

Not Yet Reviewed

Estimated Ship Date: Today

  • 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

    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.

...Loading

Estimated Ship Date: Today

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

Part Number: RNB-674-048

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

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

Part Number: CTO-1495

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 4, 2025 if ordered today

MagnaFlow Direct-Fit Catalytic Converters for 2000-2005 BONNEVILLE, LESABRE, PARK AVENUE - 51333

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

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.

Catalytic Converter, Stainless Steel, Buick, Pontiac, 3.8L, Front, Each

Part Number: MPE-51333

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

  • 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

    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.

...Loading

Estimated Ship Date: Nov 10, 2025 if ordered today

Catalytic Converter, Universal, 2.5 Inlet, 2.5 in. Outlet, Slip Fit, Stainless Steel, Ceramic Honeycomb, Each

Part Number: APH-608226

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 10, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 10, 2025 if ordered today

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

Part Number: WLK-16709

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

MagnaFlow Universal Catalytic Converters 551006

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

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.

Catalytic Converter, Universal, One Inlet, Ceramic Honeycomb, Stainless Steel, 2.50 in. Slip Fit Inlet/Outlet, 7 in. Length, Each

Part Number: MPE-551006

Not Yet Reviewed

Estimated Ship Date: Today

  • 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

    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.

...Loading

Estimated Ship Date: Today

Converter - Direct Fit EPA

Part Number: APH-641628

Not Yet Reviewed

Estimated Ship Date: Nov 6, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 6, 2025 if ordered today

Catalytic Converter, Direct Fit, Stainless Steel, 17.00 in. Length, Buick, Chevy, Each

Part Number: CTO-1532

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 3, 2025 if ordered today

Ultra EPA Catalytic Converter

Part Number: WLK-14828

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 11, 2025 if ordered today

Ultra EPA Catalytic Converter

Part Number: WLK-14743

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 11, 2025 if ordered today

Ultra EPA Catalytic Converter

Part Number: WLK-14764

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 11, 2025 if ordered today

Ultra EPA Catalytic Converter

Part Number: WLK-14712

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 11, 2025 if ordered today

Ultra EPA Manifold Converter

Part Number: WLK-14619

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 11, 2025 if ordered today

Ultra EPA Catalytic Converter

Part Number: WLK-16953

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 11, 2025 if ordered today

Ultra EPA Catalytic Converter

Part Number: WLK-16870

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 11, 2025 if ordered today

Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Buick, Each

Part Number: WLK-16776

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 11, 2025 if ordered today

Catalytic Converters, Direct-Fit, Stock Flange Inlet, 2.50 in. Slip Fit Outlet, 38.38 in. Overall Length, Buick, Oldsmobile, Pontiac, Each

Part Number: APH-642706

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 10, 2025 if ordered today

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

Part Number: CTO-4975

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 4, 2025 if ordered today

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.