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GMC SIERRA 2500 HD Catalytic Converters

Individual Parts

Results 76 - 88 of 88

Catalytic Converter, Stainless Steel, 3.00 in. Inlet, 3.00 in. Outlet, 16.0 in. Length, Universal, Each

Part Number: MPE-445009

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

This product may not be eligible for select promotional offers

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

Part Number: WLK-53726

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Catalytic Converters, Direct-Fit, Stock Flange Inlet, 2.80 in. Slip Fit Outlet, 18.75 in. Overall Length, Right, Chevrolet, GMC, 6.0L, Each

Part Number: APH-645276

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

Catalytic Converters, Direct-Fit, Stock Flange Inlet, 3.00 in. Slip Fit Outlet, 25.00 in. Overall Length, Right, Chevrolet, GMC, Each

Part Number: APH-645473

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

Catalytic Converters, Direct-Fit, Stock Flange Inlet, 3.00 in. Slip fit Outlet, 56.00 in. Overall Length, Left, Chevrolet, GMC, Each

Part Number: APH-645782

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, 53.00 in. Overall Length, Chevrolet, GMC, Each

Part Number: APH-645809

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

Catalytic Converters, Direct-Fit, Stock Flange Inlet, 2.85 in. Slip Fit Outlet, 30.50 in. Overall Length, Right, Chevrolet, GMC, Each

Part Number: APH-645454

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

MagnaFlow Universal Catalytic Converters 51309

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, 3.00 in. Inlet, 3.00 in. Outlet, 15.00 in. Length, Universal, Each

Part Number: MPE-51309

Not Yet Reviewed

Estimated Ship Date: Dec 23, 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.

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Estimated Ship Date: Dec 23, 2025 if ordered today

This product may not be eligible for select promotional offers

Catalytic Converter, Direct Fit, Stainless Case, for Trucks with 153 in Wheelbase Only, Chevy, GMC, 6.0L, 8.1L

Part Number: CTO-9223

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

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Estimated Ship Date: Dec 18, 2025 if ordered today

MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converters 21-989

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, OEM Grade, Federal/EPA Compliant, Direct-Fit, Stainless Steel Case, 23.250 in. Overall Length, Chevy, GMC, Each

Part Number: MPE-21-989

Not Yet Reviewed

Estimated Ship Date: Dec 23, 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.

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Estimated Ship Date: Dec 23, 2025 if ordered today

This product may not be eligible for select promotional offers

MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converters 5592309

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, California Grade, Direct-Fit, Stainless Steel Case, 16.000 in. Overall Length, Chevrolet, Ford, GMC, Each

Part Number: MPE-5592309

Not Yet Reviewed

Estimated Ship Date: Dec 23, 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.

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Estimated Ship Date: Dec 23, 2025 if ordered today

This product may not be eligible for select promotional offers

CalCat CARB Catalytic Converter

Part Number: WLK-84707

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

CalCat CARB Catalytic Converter

Part Number: WLK-84802

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

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