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2004 CADILLAC CTS Catalytic Converters

Individual Parts

Results 1 - 25 of 30

MagnaFlow Universal Catalytic Converters 51204

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-51204

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Oct 27, 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: Oct 27, 2025 if ordered today

This product may not be eligible for select promotional offers

MagnaFlow Universal Catalytic Converters 99204HM

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 Converters, Universal, 3-way, Stainless Steel Case, 2.000 in. Slip Fit Inlet/Outlet, 13.000 in. Overall Length, Each

Part Number: MPE-99204HM

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Oct 27, 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: Oct 27, 2025 if ordered today

This product may not be eligible for select promotional offers

Catalytic Converters, Universal, 2.25 in. Slip Fit Inlet/Outlet, Stainless Steel Case, Ceramic Honeycomb Substrate, 14.00 in. Overall Length, Each

Part Number: APH-608265

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

Catalytic Converters, Universal, Single 2.25 in. Slip-fit Inlet/Outlet, AIR Tube, Stainless Steel Case, 13.750 in. Overall Length, Each

Part Number: APH-608285

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converters for 2004-2009 CTS - 5461884

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, Right Position, Cadillac, 2.8L/3.6L, Each

Part Number: MPE-5461884

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.

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Estimated Ship Date: Today

This product may not be eligible for select promotional offers

MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converters for 2004-2009 CTS - 5461885

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, Left Position, Cadillac, 2.8L/3.6L, Each

Part Number: MPE-5461885

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.

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Estimated Ship Date: Today

This product may not be eligible for select promotional offers

MagnaFlow Direct-Fit Catalytic Converters for 2003-2004 CTS - 51137

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, Cadillac, 3.2L, Passenger Side, Each

Part Number: MPE-51137

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.

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Estimated Ship Date: Today

This product may not be eligible for select promotional offers

Catalytic Converters, Stainless Steel Case, Stock Flange Inlet/Outlet, Right, Cadillac, 2.8L, 3.6L, Each

Part Number: BOS-079-5221

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Catalytic Converters, Direct-Fit, Slip Fit Inlet/Outlet, 19.00 in. Length, Cadillac, Chevrolet, Chrysler, Dodge, Ford, Jaguar, Lexus, Pontiac, Each

Part Number: APH-770245

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Catalytic Converter, Cal-Cat Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Cadillac, Each

Part Number: WLK-82882

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

Catalytic Converter, Cal-Cat Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Cadillac, Each

Part Number: WLK-82883

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

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

Part Number: WLK-16544

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

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

Part Number: WLK-16546

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

CalCat CARB Catalytic Converter

Part Number: WLK-84682

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

CalCat CARB Catalytic Converter

Part Number: WLK-84683

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

MagnaFlow Universal Catalytic Converters 5461204

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, Ceramic Honeycomb, Stainless Steel, 2 in. Slip Fit Inlet/Outlet, 9.375 in. Length, Each

Part Number: MPE-5461204

Not Yet Reviewed

Estimated Ship Date: Oct 27, 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: Oct 27, 2025 if ordered today

This product may not be eligible for select promotional offers

MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converters for 2004 CTS - 4561049

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, Right Position, 21.875 in. Overall Length, Cadillac, 3.2L, Each

Part Number: MPE-4561049

Not Yet Reviewed

Estimated Ship Date: Oct 27, 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: Oct 27, 2025 if ordered today

This product may not be eligible for select promotional offers

MagnaFlow Universal Catalytic Converters 456205

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 Converters, Universal, 3-way, Stainless Steel Case, 2.250 in. Slip Fit Inlet/Outlet, 10.000 in. Overall Length, Each

Part Number: MPE-456205

Not Yet Reviewed

Estimated Ship Date: Oct 27, 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: Oct 27, 2025 if ordered today

This product may not be eligible for select promotional offers

Catalytic Converters, Federal/EPA Direct-Fit Catalytic Converter, Stainless Steel, Cadillac, Each

Part Number: CTO-4546

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 22.50 in. Overall Length, Right, Cadillac, 3.2L, Each

Part Number: APH-642200

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 19.00 in. Overall Length, Right, Cadillac, 2.8L, 3.6L, Each

Part Number: APH-642142

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

MagnaFlow Direct-Fit Catalytic Converters for 2003-2004 CTS - 51872

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, Cadillac, 3.2L, Driver Side, Each

Part Number: MPE-51872

Not Yet Reviewed

Estimated Ship Date: Oct 27, 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: Oct 27, 2025 if ordered today

This product may not be eligible for select promotional offers

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 20.25 in. Overall Length, Left, Cadillac, 3.2L, Each

Part Number: APH-642199

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

Catalytic Converters, Catco Federal/EPA Direct-Fit Catalytic Converter, Stainless Steel, Cadillac, Each

Part Number: CTO-4767

Not Yet Reviewed

Estimated Ship Date: Oct 21, 2025 if ordered today

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Estimated Ship Date: Oct 21, 2025 if ordered today

Catalytic Converters, Universal, 2.25 in. Slip Fit Inlet/Outlet, Stainless Steel Case, Ceramic Honeycomb Substrate, 14.00 in. Overall Length, Each

Part Number: APH-608705

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

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