Audi A4 Catalytic Converters
- AP Exhaust®Universal Fit Catalytic Converter (840013)Catalytic Converter (840013) by AP Exhaust®. Converter Configuration: Universal Fit. Position: Front Passenger Side. With Two O2 Fittings. Catalytic Inlet Diameter: 2.25". Catalytic Outlet Diameter: 2". Catalytic Converter Overall...$332.71
- AP Exhaust®Universal Fit Catalytic Converter (840005)Catalytic Converter (840005) by AP Exhaust®. Converter Configuration: Universal Fit. Position: Driver Side Center. Catalytic Inlet Diameter: 2.25". Catalytic Outlet Diameter: 2.25". Catalytic Converter Overall Length: 14". Today’s...$314.39
- AP Exhaust®Universal Fit Catalytic Converter (840015)Catalytic Converter (840015) by AP Exhaust®. Converter Configuration: Universal Fit. Position: Driver Side Center. Catalytic Inlet Diameter: 2.25". Catalytic Outlet Diameter: 2.25". Catalytic Converter Overall Length: 14". Today’s...$334.12
- AP Exhaust®Universal Fit Round Body Catalytic Converter (608754)Catalytic Converter (608754) by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. With 1 O2 Sensor Port. Catalytic Converter Overall Length: 16". Today’s exhaust performance market continues...$339.09
- AP Exhaust®Universal Fit Standard Round Body Catalytic Converter (770115)Catalytic Converter (770115) by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Standard Round. With O2 Sensor Port. Today’s exhaust performance market continues to cover a broad spectrum of...$660.65
- AP Exhaust®Universal Fit Standard Round Body Catalytic Converter (770135)Catalytic Converter (770135) by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Standard Round. With Mid-Body O2 Sensor Port. Today’s exhaust performance market continues to cover a broad spectrum...$710.18
- AP Exhaust®Universal Fit Standard Round Body Catalytic Converter (770114)Catalytic Converter (770114) by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Standard Round. With O2 Sensor Port. Today’s exhaust performance market continues to cover a broad spectrum of...$710.16
- TruParts®Exhaust System Hanger (TRP90592)Exhaust System Hanger (TRP90592) by TruParts®. Location: Rear Muffler Forward. Go with this high-quality product to restore your vehicle’s lost power and bring it back to its optimal condition. Made from the finest materials in...Made utilizing the finest materials and equipmentEngineered to restore your vehicle to its pristine condition$3.39
- TruParts®Exhaust System Hanger (TRP90593)Exhaust System Hanger (TRP90593) by TruParts®. Position: Driver Side. Go with this high-quality product to restore your vehicle’s lost power and bring it back to its optimal condition. Made from the finest materials in compliance with...Made utilizing the finest materials and equipmentEngineered to restore your vehicle to its pristine condition$11.33
- CATCO®Direct Fit Catalytic Converter (4186)Catalytic Converter (4186) by CATCO®. Converter Configuration: Direct Fit. With 2 O2 Sensor Ports. Catalytic Converter Overall Length: 17". Designed and manufactured with innovative fabrication methods, high-tech materials, and advanced...$762.28
- CATCO®OBDII Universal Fit Round Body Catalytic Converter (2504R)OBDII Catalytic Converter (2504R) by CATCO®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. With 1 Passenger Side O2 Sensor Port. Catalytic Inlet Diameter: 2". Catalytic Outlet Diameter:...$173.95
- CATCO®OBDII Universal Fit Round Body Enhanced Catalytic Converter (2565R)OBDII Enhanced Catalytic Converter (2565R) by CATCO®. Converter Configuration: Universal Fit. Position: Rear. Catalytic Converter Body Shape: Round. Without Air Tube. With 1 Driver Side O2 Sensor Port. Catalytic Inlet Diameter: 2.25"....$172.60
- Eastern Catalytic®ECO III Direct Fit Catalytic Converter and Pipe Assembly (41033)ECO III Catalytic Converter and Pipe Assembly (41033) by Eastern Catalytic®. Converter Configuration: Direct Fit. Position: Front. With 2 O2 Sensor Ports. Catalytic Converter Overall Length: 24". If you need to replace your failed or...$638.37
- Davico®Universal Fit Catalytic Converter (863-200)Catalytic Converter (863-200) by Davico®. Converter Configuration: Universal Fit. Position: Rear. Catalytic Inlet Diameter: 2". Catalytic Converter Overall Length: 15". This Universal fit catalytic converter by Davico will be a great...$122.58
- Walker®Ultra™ Universal Fit Round Body Catalytic Converter (93263)Ultra™ Catalytic Converter (93263) by Walker®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Catalytic Converter Overall Length: 17.5". With O2 Sensor Port. Without Air Tube. The Right converter, the...Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields$158.81
- Walker®Ultra™ Universal Fit Round Body Catalytic Converter (93271)Ultra™ Catalytic Converter (93271) by Walker®. Position: Rear. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Catalytic Converter Overall Length: 7.875". Without O2 Sensor Port. Without Air Tube. The...Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields$157.56
- Walker®Ultra™ Universal Fit Round Body Catalytic Converter (93251)Ultra™ Catalytic Converter (93251) by Walker®. Converter Configuration: Universal Fit. Position: Passenger Side. Catalytic Converter Body Shape: Round. With 1 Inlet. Without Air Tube. Without O2 Sensor Port. Catalytic Converter...$142.82
- Eastern Catalytic®Direct Fit Catalytic Converter and Pipe Assembly (41072)Catalytic Converter and Pipe Assembly (41072) by Eastern Catalytic®. Converter Configuration: Direct Fit. Position: Passenger Side. Location: Undercar. Catalytic Outlet Diameter: 2". Catalytic Converter Overall Length: 49". If you need...$559.31
- Eastern Catalytic®ECO II Direct Fit Catalytic Converter (40684)ECO II Catalytic Converter (40684) by Eastern Catalytic®. Converter Configuration: Direct Fit. Location: Undercar. With 2 O2 Sensor Ports. Catalytic Converter Overall Length: 17". If you need to replace your failed or damaged catalytic...$524.48
- Eastern Catalytic®ECO III Direct Fit Catalytic Converter (40300)ECO III Catalytic Converter (40300) by Eastern Catalytic®. Converter Configuration: Direct Fit. Location: Undercar. With 2 O2 Sensor Ports. Catalytic Converter Overall Length: 18". If you need to replace your failed or damaged catalytic...$542.17
- AP Exhaust®608 Series Universal Fit Round Body Catalytic Converter (608265)608 Series Catalytic Converter (608265) by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Catalytic Converter Overall Length: 14". Without Air Tube. With Driver Side O2 Sensor Port. Three-Way...A multitude of Universal converter bodies provided for maximum coverageProvides professional installer with immediate installation options$148.97
- AP Exhaust®608 Series Universal Fit Round Body Catalytic Converter (608214)608 Series Catalytic Converter (608214) by AP Exhaust®. Position: Passenger Side. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Catalytic Converter Overall Length: 16". Without Air Tube. With Passenger...A multitude of Universal converter bodies provided for maximum coverageProvides professional installer with immediate installation options$147.32
- AP Exhaust®608 Series Universal Fit Special Body Catalytic Converter (608284)608 Series Catalytic Converter (608284) by AP Exhaust®. Position: Front. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Special. Catalytic Converter Overall Length: 13.75". Without Air Tube. Three-Way No / Air...A multitude of Universal converter bodies provided for maximum coverageProvides professional installer with immediate installation options$143.04
- CATCO®Select Plus Tech Series OBDII Universal Fit Round Body Catalytic Converter (2714R)Select Plus Tech Series OBDII Catalytic Converter (2714R) by CATCO®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. With 1 Rear Body O2 Sensor Port. Catalytic Inlet Diameter: 2"....$519.60
- CATCO®Select Plus Tech Series OBDII Universal Fit Round Body Catalytic Converter (2715R)Select Plus Tech Series OBDII Catalytic Converter (2715R) by CATCO®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. With 1 Rear Body O2 Sensor Port. Catalytic Inlet Diameter: 2.25"....$278.92
- Eastern Catalytic®ECO II Universal Fit Oval Body Catalytic Converter (83164)ECO II Catalytic Converter (83164) by Eastern Catalytic®. Converter Configuration: Universal Fit. Location: Undercar. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2"....$155.06
- Eastern Catalytic®ECO II Universal Fit Round Body Catalytic Converter (82725)ECO II Catalytic Converter (82725) by Eastern Catalytic®. Converter Configuration: Universal Fit. Position: Front. Location: Undercar. Catalytic Converter Body Shape: Round. Without Air Tube. With 1 O2 Sensor Port. Catalytic Inlet...$163.70
- Eastern Catalytic®Standard Universal Fit Oval Body Catalytic Converter (70316)Standard Catalytic Converter (70316) by Eastern Catalytic®. Converter Configuration: Universal Fit. Location: Undercar. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2"....$118.45
- Audi OECatalytic Converter Gasket (8D0253115C)Catalytic Converter Gasket (8D0253115C) by Audi OE. Keep your Audi looking showroom-new and running at its best with top-grade Audi OE parts. Genuine in quality, fit, and finish, they’re the finest option to go if you want to maintain...Genuine OE replacement for your specific Audi modelDesigned to bring your vehicle back to its pristine condition$6.48
- Audi OECatalytic Converter Nut (WHT002514)Catalytic Converter Nut (WHT002514) by Audi OE. Keep your Audi looking showroom-new and running at its best with top-grade Audi OE parts. Genuine in quality, fit, and finish, they’re the finest option to go if you want to maintain the...Genuine OE replacement for your specific Audi modelDesigned to bring your vehicle back to its pristine condition$6.97
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Everybody knows that our environment can be negatively affected by harmful exhaust gases from internal combustion engines. A catalytic converter is a device created to control your Audi A4’s emissions in the form of carbon monoxide and hydrocarbons. The chemical reaction takes place within the catalytic converter, or “cat” for short. This reaction is often referred to as “redox,” which stands for reduction-oxidation. When the exhaust heats the spongy precious-metal element inside the steel casing, it starts to catalyze harmful pollutants turning them into less harmful gases.
Since 1975, the use of catalytic converters in the U.S. became a legal requirement on all gasoline-powered autos. Catalytic converters provide a huge service for mother nature while reducing the greenhouse effect thus protecting the environment. Although, catalytic converters, just like all automotive parts, wear out and may get clogged, with such tell-tale signs as poor acceleration, lower fuel efficiency, and harder starts being among some of the most obvious ones. We carry a wide range of high-quality Audi A4 catalytic converters & components offered at an affordable price, so you can easily restore the emission control system of your car.
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