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Cadillac Catalytic Converters

A failed emissions test means your Cadillac’s catalytic converter may have gone kaput. Other symptoms, like sluggish engine performance, slow acceleration, and a sulfur-like odor from the exhaust indicate the same. Clean up your carbon emissions by ordering an OE-grade Cadillac catalytic converter replacement here at CarParts.com. We offer top-quality catalytic converters from the world’s best brands, ensuring long-lasting protection against contamination, heat damage, and physical wear. We have universal and direct-fit parts for the CTS, Deville, SRX, and other Cadillac models. Shop now!
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Direct Replacement Series Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Part Number: JC960322
Vehicle Info Required to Guarantee Fit
$374.99
Product Details
Emissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Restricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEPA : N/TB6000/501-407, N/TB6000/501-430Gasket Included : Without GasketOxygen Sensor Ports : Factory OE PortsOxygen Sensor Port Location : Factory OE LocationsWarranty : 5-year or 50,000-mile JC Whitney limited warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Interchange Part Number : 50473Series : Direct Replacement SeriesTube Material : Aluminized Steel
Passenger Side Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME), Four Wheel Drive, 5.4L Engine
Part Number: JF960353
Vehicle Info Required to Guarantee Fit
$249.99
Product Details
Location : Front, Passenger SideEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 4WD, With Base Payload; 49 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEPA : N/TB6000/64805NNGasket Included : Without GasketOxygen Sensor Ports : Factory OE PortsOxygen Sensor Port Location : Factory OE LocationsWarranty : 5-year or 50,000-mile JC Whitney limited warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Interchange Part Number : 19537Series : Direct Replacement SeriesTube Material : Aluminized Steel
Driver Side Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME), 3.6L Engine
Part Number: JC960328
Vehicle Info Required to Guarantee Fit
$224.99
Product Details
Location : Driver SideEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 16.25 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEPA : N/TB6000/501-413Gasket Included : Without GasketOxygen Sensor Ports : Factory OE PortsOxygen Sensor Port Location : Factory OE LocationsWarranty : 5-year or 50,000-mile JC Whitney limited warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Interchange Part Number : 50443Series : Direct Replacement SeriesTube Material : Aluminized Steel
Passenger Side Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME), 3.6L Engine
Part Number: JC960327
Vehicle Info Required to Guarantee Fit
$224.99
Product Details
Location : Passenger SideEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Restricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEPA : N/TB6000/501-413Gasket Included : Without GasketOxygen Sensor Ports : Factory OE PortsOxygen Sensor Port Location : Factory OE LocationsWarranty : 5-year or 50,000-mile JC Whitney limited warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Interchange Part Number : 50444Series : Direct Replacement SeriesTube Material : Aluminized Steel
Driver and Passenger Side Catalytic Converters, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Part Number: SET-JC960327
Vehicle Info Required to Guarantee Fit
$444.99
Product Details
Location : Driver And Passenger SideEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Components : (1) Driver Side Catalytic Converter, (1) Passenger Side Catalytic ConverterRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Set of 2EPA : N/TB6000/501-413Gasket Included : Without GasketOxygen Sensor Ports : Factory OE PortsOxygen Sensor Port Location : Factory OE LocationsWarranty : 5-year or 50,000-mile JC Whitney limited warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Interchange Part Number : 50443, 50444Series : Direct JC Whitney SeriesTube Material : Aluminized Steel
Passenger Side Direct Replacement Series Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Part Number: JC960311
Vehicle Info Required to Guarantee Fit
$174.99
Product Details
Location : Passenger SideEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 19 in. Overall LengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEPA : N/TB6000/64805NNGasket Included : With GasketOxygen Sensor Ports : Factory OE PortsOxygen Sensor Port Location : Factory OE LocationsWarranty : 5-year or 50,000-mile JC Whitney limited warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Interchange Part Number : 50430Series : Direct Replacement SeriesTube Material : Aluminized Steel
Driver Side Catalytic Converter, 2.8L/(3.6L LY7 Engines), Federal EPA Standard, 46-State Legal (Cannot Ship To or Be installed in vehicles Originally Purchased In CA, CO, NY or ME)
Part Number: JC960312
Vehicle Info Required to Guarantee Fit
$199.99
Product Details
Location : Driver SideEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 19 in. Overall LengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEPA : N/TB6000/30407NNGasket Included : Without GasketOxygen Sensor Ports : Factory OE PortsOxygen Sensor Port Location : Factory OE LocationsWarranty : 5-year or 50,000-mile JC Whitney limited warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Interchange Part Number : 50429Series : Direct Replacement SeriesTube Material : Aluminized Steel
Driver and Passenger Side Catalytic Converters, 2.8L/(3.6L LY7 Engines), Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Part Number: SET-JC960311
Vehicle Info Required to Guarantee Fit
$369.99
Product Details
Location : Driver And Passenger SideEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 19 in. Overall LengthComponents : (1) Driver Side Catalytic Converter, (1) Passenger Side Catalytic ConverterRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Set of 2Oxygen Sensor Ports : Factory OE PortsOxygen Sensor Port Location : Factory OE LocationsWarranty : 5-year or 50,000-mile JC Whitney limited warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Interchange Part Number : 50429, 50430Series : Direct JC Whitney SeriesTube Material : Aluminized Steel
Front Direct Replacement Series Catalytic Converter, 8, 5.7 Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Part Number: JC960301
Vehicle Info Required to Guarantee Fit
$349.99
Product Details
Location : FrontEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 44 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEPA : N/TB6000/69005NN, N/TB6000/69005NNGasket Included : With GasketOxygen Sensor Ports : Factory OE PortsOxygen Sensor Port Location : Factory OE LocationsWarranty : 5-year or 50,000-mile JC Whitney limited warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Interchange Part Number : 16541Series : Direct Replacement SeriesTube Material : Aluminized Steel
Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME), Y-Pipe, 4.3L/5.3L/4.8L Engines
Part Number: REPG960301
Vehicle Info Required to Guarantee Fit
$286.99
Product Details
Location : Center, FrontEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : With 50.5 in. overall length, Driver and Passenger Side AssemblyRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEPA : N/TB6000/63005NN, N/TB6000/63005NNGasket Included : With GasketOxygen Sensor Ports : Factory OE PortsOxygen Sensor Port Location : Factory OE LocationsWarranty : 5-year or 50,000-mile Evan Fischer limited warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Interchange Part Number : 18010Series : Direct Replacement SeriesTube Material : Aluminized Steel
Front Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME), Y-Pipe Dual, Under 8500 GV, 5.0L/5.7L Engines
Part Number: REPC960301
Vehicle Info Required to Guarantee Fit
$306.99
Product Details
Location : FrontEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 44 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEPA : N/TB6000/69005NN, N/TB6000/69005NNGasket Included : With GasketOxygen Sensor Ports : Factory OE PortsOxygen Sensor Port Location : Factory OE LocationsWarranty : 5-year or 50,000-mile Evan Fischer limited warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Interchange Part Number : 16541Series : Direct Replacement SeriesTube Material : Aluminized Steel
Driver Side Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME), 6.0L Engine
Part Number: REPG960306
Vehicle Info Required to Guarantee Fit
$191.49
Product Details
Location : Driver SideEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 46.5 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEPA : N/TB6000/64805NNGasket Included : Without GasketOxygen Sensor Ports : Factory OE PortsOxygen Sensor Port Location : Factory OE LocationsWarranty : 5-year or 50,000-mile Evan Fischer limited warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Interchange Part Number : 50370Series : Direct Replacement SeriesTube Material : Aluminized Steel
Passenger Side Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME), 6.0L Engine
Part Number: REPG960305
Vehicle Info Required to Guarantee Fit
$195.49
Product Details
Location : Passenger SideEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 40 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEPA : N/TB6000/64805NNGasket Included : Without GasketOxygen Sensor Ports : Factory OE PortsOxygen Sensor Port Location : Factory OE LocationsWarranty : 5-year or 50,000-mile Evan Fischer limited warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Interchange Part Number : 50371Series : Direct Replacement SeriesTube Material : Aluminized Steel
Driver and Passenger Side Catalytic Converters, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Part Number: SET-REPG960305
Vehicle Info Required to Guarantee Fit
$367.99
Product Details
Location : Driver And Passenger SideEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Components : (1) Driver Side Catalytic Converter, (1) Passenger Side Catalytic ConverterRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Set of 2EPA : N/TB6000/64805NNGasket Included : Without GasketOxygen Sensor Ports : Factory OE PortsOxygen Sensor Port Location : Factory OE LocationsWarranty : 5-year or 50,000-mile Evan Fischer limited warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Interchange Part Number : 50370, 50371Series : Direct Replacement SeriesTube Material : Aluminized Steel
Center Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME), 4.6L Engine
Part Number: REPC960307
Vehicle Info Required to Guarantee Fit
$142.49
Product Details
Location : CenterEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 19 in. Overall LengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEPA : N/TB6000/69005NNGasket Included : With GasketOxygen Sensor Ports : Factory OE PortsOxygen Sensor Port Location : Factory OE LocationsWarranty : 5-year or 50,000-mile Evan Fischer limited warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Interchange Part Number : 50410Series : Direct Replacement SeriesTube Material : Aluminized Steel
Page 1 of 38 | Showing 1 - 15 of 556 results

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Delivered when they said. Communication was good. No new seals or bolts or u bolt asSee More
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Product Questions & Answers

Q:I have a code P0420 will a new Catalytic  help on my cadillac deville 03? Show Less
Jaime P.
A:BEST ANSWERHi Jim, I'm glad to assist you. Yes, it will. I hope this helps, and if you're interested in this catalytic converter, you can click on the link below for direct ordering to take advantage of our ongoing sale and limited stocks. Happy shopping. https://www.carparts.com/catalytic-converter/evan-fischer/repc960307?can=CPAE1047 Show less
Arnel E.
 
3 Questions, 1 AnswerView all Q&As >
Q:I just want to know will this part be OK in New York State with admission? Show Less
Woodie J.
A:BEST ANSWERHi Woodie, I'm glad to assist you. No, it is incompatible. It should be with a 50-state legal CA emission. The matching part number is M66447283. If your car/truck appears in the vehicle fitment information below (year, make, model, submodel, and engine size), it is a guaranteed fit part. Grab our Happy shopping! https://www.carparts.com/details/GMC/Yukon_XL_2500/Magnaflow/Catalytic_Converter/2005/SLE/8_Cyl_6-dot-0L/M66447283.html?can=cpje1043_CSQA_20240216 Show less
Jeonino E.
 
3 Questions, 1 AnswerView all Q&As >
Q:I have a 01 Yukon Denali 6.0l will this fit bolt on?
Dpkissell
A:BEST ANSWERHi Dalton, I'm glad to assist you. Yes. It is guaranteed to fit and a bolt-on part for your 2001 GMC Yukon Denali 6.0L. Grab our discounted price and click the link below to buy it today. Happy shopping! https://www.carparts.com/catalytic-converter/evan-fischer/set-repg960305?can=cpje1043_CSQA_20230624 Show less
Jeonino E.
 
5 Questions, 1 AnswerView all Q&As >

Shopping for Cadillac Catalytic Converter

There are many things that make your Cadillac a comfortable and smooth-driving vehicle, like its catalytic converter. It’s a crucial component in your Cadillac’s exhaust system because it transforms exhaust fumes from your engine’s combustion into less harmful gases. Any damage to the catalytic converter can result in sluggish engine performance, reduced acceleration, and overheating, which can damage your Cadillac’s engine in the long run. Replace a bad catalytic converter as soon as possible to prevent performance issues and poor fuel economy.

Shop for Aftermarket Cadillac Catalytic Converters on CarParts.com

Looking for the best catalytic converter for your Cadillac? You’ve come to the right place. CarParts.com has high-quality aftermarket catalytic converters made for various Cadillac years and models.

We offer Cadillac catalytic converters at prices that won’t break the bank. Our extensive catalog includes aftermarket performance and OE replacement catalytic converters in different tubing materials, so you can pick the best one for your application. You can buy single catalytic converter replacements, kits, or assemblies, which have other exhaust components and installation hardware.

Here at CarParts.com, we pride ourselves on giving our customers great value and service. We source our Cadillac catalytic converters from leading names in the automotive industry to ensure excellent exhaust performance. These parts are available in different inlet sizes and emission standards to match your Cadillac’s specifications.

Our website makes online shopping quick and simple. You can find the right catalytic converter for your Cadillac, thanks to our vehicle selector tool. We also have filters for brand, price, location (where the part is installed), and much more. All our available Cadillac aftermarket parts are ready to ship from our nationwide distribution centers, ensuring fast delivery. Check out our Cadillac catalytic converters today, and find the best one for your vehicle!

Helpful Automotive Resources

P0430 Code: Catalyst System Efficiency Below Threshold  (Bank 2)
P0430 Code: Catalyst System Efficiency Below Threshold (Bank 2)P0430 is a diagnostic trouble code (DTC) for “Catalyst System Efficiency Below Threshold (Bank 2).” It warns about a problem with the catalytic converter mounted near engine bank 2 (the side of the engine opposite the number one cylinder).
P0042 Code: HO2S Heater Control Circuit Bank 1 Sensor 3
P0042 Code: HO2S Heater Control Circuit Bank 1 Sensor 3Diagnostic trouble code (DTC) P0042 stands for “HO2S Heater Control Circuit Bank 1 Sensor 3.” It is logged when the powertrain control module(PCM) detects a possible issue with the heater circuit for the third sensor downstream from the engine on bank 1.
P0134: O2 Sensor Circuit No Activity Detected (Bank 1, Sensor 1)
P0134: O2 Sensor Circuit No Activity Detected (Bank 1, Sensor 1)Diagnostic trouble code (DTC) P0134 stands for “Oxygen Sensor Circuit No Activity Detected (Bank 1, Sensor 1).” The code indicates that your car’s primary computer, which is often referred to as the powertrain control module (PCM), has detected inactivity from the upstream oxygen sensor (O2) on Bank 1. This usually