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2012 Audi A4 Quattro

Catalytic Converters

Don’t take an emissions test until you’ve replaced a bad catalytic converter. Residue from exhaust gases can build up in the catalytic converter over time, resulting in increased emissions that will definitely register during the test. If your catalytic converter is clogged or otherwise in bad shape, replace it immediately. Good thing CarParts.com has a wide range of catalytic converters made by top manufacturers in the industry. Take a look at our products today and choose one that matches your application.
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California Series Direct Fit Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal
Part Number: M665561352
Guaranteed to Fit
$1,701.00
Vehicle Fitment
  • 2012 Audi A4 Quattro Base 4 Cyl 2.0L EO# D-193-141; Eng Fam No: Cadxj02.03Ub
  • 2012 Audi A4 Quattro Avant 4 Cyl 2.0L EO# D-193-141; Eng Fam No: Cadxj02.03Ub
Product Details
Emissions : CARB and Federal EPA Standards, 50-state LegalNotes : Stainless Steel MaterialType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-193-141Gasket Included : Without GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : 5-year or 50,000-mile Magnaflow 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.

Promotions : Magnaflow Catalytic Converter SaleSeries : California SeriesTube Material : Stainless Steel
Catalytic Converter Kit, CARB and Federal EPA Standards, 50-state Legal, 4 Cyl., 2.0L Engine, Direct Fit, includes Oxygen Sensor
Part Number: KIT-110423-11
Guaranteed to Fit
$1,700.99
Vehicle Fitment
  • 2012 Audi A4 Quattro Base 4 Cyl 2.0L EO# D-193-141; Eng Fam No: Cadxj02.03Ub
  • 2012 Audi A4 Quattro Avant 4 Cyl 2.0L EO# D-193-141; Eng Fam No: Cadxj02.03Ub
Product Details
Emissions : CARB and Federal EPA Standards, 50-state LegalComponents : (1) Oxygen Sensor and (1) Catalytic ConverterType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : KitEO Number : D-193-141Gasket Included : Without GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : 5-year or 50,000-mile Magnaflow 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 : 25024672Promotions : Magnaflow Catalytic Converter SaleSeries : California SeriesTube Material : Stainless Steel
3-Piece Kit Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, 4 Cyl., 2.0L Engine, Direct Fit, includes Oxygen Sensor
Part Number: KIT-110423-03
Guaranteed to Fit
$1,700.99
Vehicle Fitment
  • 2012 Audi A4 Quattro Base 4 Cyl 2.0L EO# D-193-141; Eng Fam No: Cadxj02.03Ub
  • 2012 Audi A4 Quattro Avant 4 Cyl 2.0L EO# D-193-141; Eng Fam No: Cadxj02.03Ub
Product Details
Emissions : CARB and Federal EPA Standards, 50-state LegalComponents : (2) Oxygen Sensor and (1) Catalytic ConverterType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : KitEO Number : D-193-141Gasket Included : Without GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : 5-year or 50,000-mile Magnaflow 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 : 25024672, 25025040Promotions : Magnaflow Catalytic Converter SaleSeries : California SeriesTube Material : Stainless Steel
Catalytic Converter Kit, CARB and Federal EPA Standards, 50-state Legal, 4 Cyl., 2.0L Engine, Direct Fit, includes Oxygen Sensor
Part Number: KIT-110423-10
Guaranteed to Fit
$1,701.00
Vehicle Fitment
  • 2012 Audi A4 Quattro Base 4 Cyl 2.0L EO# D-193-141; Eng Fam No: Cadxj02.03Ub
  • 2012 Audi A4 Quattro Avant 4 Cyl 2.0L EO# D-193-141; Eng Fam No: Cadxj02.03Ub
Product Details
Emissions : CARB and Federal EPA Standards, 50-state LegalComponents : (1) Oxygen Sensor and (1) Catalytic ConverterType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : KitEO Number : D-193-141Gasket Included : Without GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : 5-year or 50,000-mile Magnaflow 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 : 25025040Promotions : Magnaflow Catalytic Converter SaleSeries : California SeriesTube Material : Stainless Steel
Front Direct Fit 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: APE644025
Guaranteed to Fit
$540.99
Vehicle Fitment
  • 2012 Audi A4 Quattro Base 4 Cyl 2.0L Direct Fit
  • 2012 Audi A4 Quattro Avant 4 Cyl 2.0L Direct Fit
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 : 24 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyGasket Included : Without GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : 5-year or 50,000-mile AP Exhaust limited warranty on converter body and 25,000-mile limited warranty on emissionsProp 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.

Tube Material : Stainless Steel
Front Direct Fit 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: CAT5231
Guaranteed to Fit
$740.99
Vehicle Fitment
  • 2012 Audi A4 Quattro Base 4 Cyl 2.0L Federal and California Emissions
  • 2012 Audi A4 Quattro Avant 4 Cyl 2.0L Federal and California Emissions
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 : 24 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyGasket Included : Without GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : 5-year or 50,000-mile Catco limited warranty on converter body with 50,000-mile limited warranty on emissionsProp 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.

Tube Material : Stainless Steel
Front Direct Fit 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: EAST41033
Guaranteed to Fit
$541.49
Vehicle Fitment
  • 2012 Audi A4 Quattro Base 4 Cyl 2.0L Precat
  • 2012 Audi A4 Quattro Avant 4 Cyl 2.0L Precat
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 : 24 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyGasket Included : With GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : 5-year or 50,000-mile Eastern limited warrantyProp 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.

Tube Material : Aluminized Steel
Front Direct Fit Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal
Part Number: CAT770541
Guaranteed to Fit
$1,356.49
Vehicle Fitment
  • 2012 Audi A4 Quattro Avant 4 Cyl 2.0L CADXJ02.03UB; EO Number : D-798-10
  • 2012 Audi A4 Quattro Base 4 Cyl 2.0L CADXJ02.03UB; EO Number : D-798-10
Product Details
Location : FrontEmissions : CARB and Federal EPA Standards, 50-state LegalType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-798-10Gasket Included : Without GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : 5-year or 50,000-mile Catco limited warranty on converter body with 25,000-mile limited warranty on emissionsProp 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.

Tube Material : Stainless Steel
OEM Grade Series Semi-Universal (Welding Required) 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: M6659959
Universal Fit
$161.00
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)Notes : 3 in. Inlet/OutletProduct Fit : Semi-Universal (Welding Required)Recommended Use : Performance ReplacementQuantity Sold : Sold individuallyGasket Included : Without GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : Magnaflow 25,000 Mile Limited WarrantyProp 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.

Series : OEM Grade SeriesTube Material : Stainless Steel
OEM Grade Series Semi-Universal (Welding Required) 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: M6659956
Universal Fit
$161.00
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)Notes : 2.5 in. Inlet/OutletProduct Fit : Semi-Universal (Welding Required)Recommended Use : Performance ReplacementQuantity Sold : Sold individuallyGasket Included : Without GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : Magnaflow 25,000 Mile Limited WarrantyProp 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.

Series : OEM Grade SeriesTube Material : Stainless Steel
Universal 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: F132250220
Universal Fit
$77.49
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)Product Fit : UniversalRecommended Use : Performance ReplacementQuantity Sold : Sold individuallyOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : 5-Year Or 50,000-Mile Flowmaster Warranty On Exterior CasingsProp 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.

No Returns Accepted -Catalytic Converter
Part Number: CAT602387
Universal Fit
$152.49
Product Details
Product Fit : UniversalRecommended Use : OE ReplacementProp 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.

No Returns Accepted -Catalytic Converter
Part Number: CAT608387
Universal Fit
$158.99
Product Details
Product Fit : UniversalRecommended Use : OE ReplacementProp 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.

No Returns Accepted -Catalytic Converter
Part Number: CAT608386
Universal Fit
$158.99
Product Details
Product Fit : UniversalRecommended Use : OE ReplacementProp 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.

No Returns Accepted -Catalytic Converter
Part Number: CAT608395
Universal Fit
$159.99
Product Details
Product Fit : UniversalRecommended Use : OE ReplacementProp 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.

Page 1 of 3 | Showing 1 - 15 of 32 results

Shopping for Catalytic Converter

Catalytic Converter Shopping Info

How Much Does a Catalytic Converter Replacement Cost?

A typical catalytic converter’s cost can range from $50 to $1000 on parts alone. Prices vary depending on the brand and the specifications of your vehicle’s cat-con. Labor costs may also differ significantly between different makes and models because the amount of time it takes to install the part may vary per vehicle. Expect to spend around $70 to $130 per hour on labor. You’ll also have to factor in other expenses for related repairs.

What Is a Catalytic Converter?

A catalytic converter (or cat for short) is a critical part of your engine’s exhaust system. This device converts the harmful chemicals in the exhaust using catalysts.

Most modern models look like passageways of closely formed mesh made of honeycomb interior. Older car models are different because they feature ceramic beads instead of a honeycomb design. Their purpose is to slow down the flow of exhaust gases through the converter, allowing more time for the catalysts to interact with the emission gases.

Shop for Aftermarket Catalytic Converters on CarParts.com

CarParts.com features an extensive selection of aftermarket catalytic converters for a wide variety of makes and models. Our cat-cons are sold individually, in sets, or as part of an assembly. Filter your search by choosing from different dimensions, inlet types, and tube materials. We’re here to help you find a compatible cat-con for your vehicle.

Our catalytic converters are sourced from the top aftermarket brands in the industry. Our team of industry experts handpicks all products that make it into our catalog. These are engineered in world-class facilities and undergo strict quality checks to ensure that they can withstand harsh conditions in your exhaust system. Shop now and grab the best deal on your new catalytic converter today!

Featured Makes

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