2012 Audi A3 Emission Control Parts
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TRQ®Downstream O2 Oxygen SensorAudi A3 TDI 2012, Downstream O2 Oxygen Sensor by TRQ®. TRQ oxygen sensors are manufactured to precise specifications using premium raw materials to optimize your vehicle’s emission system. Each sensor is isostatically-pressed for...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$63.60$66.95Save $3.35 (5%) - Beck Arnley®PCV ValveAudi A3 2012, PCV Valve by Beck Arnley®. Make sure your vehicle’s emission control system performs at its optimum level with top-of-the-line Beck Arnley replacement emission control parts. Designed to match OE (original equipment)...Designed to ensure reliable operation of your emission control systemDirect OE (original equipment) replacement$116.20
- TRQ®Oxygen SensorAudi A3 2012, Oxygen Sensor by TRQ®. If your oxygen sensor fails, replace it with this top-grade part developed to easily fix the problem. Built to fit and function exactly as the part it is replacing, the product provides excellent OEM...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$38.90 - $58.23$40.95 - $61.95Save up to 6%
- Bosch®Premium Wideband Oxygen SensorAudi A3 2.0L 2012, Premium Wideband Oxygen Sensor by Bosch®. Position: Upstream. This sensor utilizes a sophisticated sensing element enabling it to produce a precise output in proportion to the air/fuel ratio. Wideband sensors use a...Detects the exact amount of unburned fuel in the exhaust streamOE connectors and OE-style harness for continuous wire from connector to sensor$91.62 - $126.92
- Walker Products®Oxygen SensorAudi A3 2.0L 2012, Oxygen Sensor by Walker Products®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...High quality at an affordable priceExpertly made from premium materials$59.62 - $117.73
- Bosch®Narrow-band Oxygen SensorAudi A3 2.0L 2012, Narrow-band Oxygen Sensor by Bosch®. The Bosch oxygen sensor utilizes a mix of zirconium and yttrium oxides and other elements to form a tough base that withstands the intense stress to which oxygen sensors are...OE-EquivalentOE Style connectors and wire lengths$50.66
- Denso®Oxygen SensorAudi A3 2.0L Gas 2012, Oxygen Sensor by Denso®. Make sure your engine runs efficiently and produces fewer emissions by replacing your malfunctioning fuel-ratio sensors with these top-notch products designed by Denso. Engineered with the...High quality plastic and/or steel constructionDirect replacement for a proper fit every time$96.36 - $151.41
- Bosch®Premium Oxygen SensorAudi A3 2.0L 2012, Premium Oxygen Sensor by Bosch®. A worn-out oxygen sensor can cause engine performance problems and shorten the life of the catalytic converter. Tune-up your vehicle with an Oxygen Sensor from Bosch that is equally...OE Identical ConnectorCompact Design$96.23 - $110.94
- Walker Products®Premium Oxygen SensorAudi A3 2.0L 2012, Premium Oxygen Sensor by Walker Products®. Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet or exceed all original equipment specifications and test requirements. The...Improved Engine Response & PerformanceLower Emissions$68.44 - $77.02
- NTK®Oxygen SensorAudi A3 2.0L Gas 2012, Oxygen Sensor by NTK®. Thimble type sensors feature a ceramic element that projects into the exhaust system and becomes electrically conductive at high temperature. The sensor element then sends voltage signals...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$88.82 - $101.52
- Facet®Oxygen SensorAudi A3 2012, Oxygen Sensor by Facet®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...The reliable goods for increase of reliability of the carQuality equal, if not superior, to that of the original components$41.72 - $74.07
- Walker Products®Wideband Premium Oxygen SensorAudi A3 2.0L 2012, Wideband Premium Oxygen Sensor by Walker Products®. Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet or exceed all original equipment specifications and test requirements....High quality at an affordable priceExpertly made from premium materials$91.55 - $117.73
- Vemo®EGR ValveAudi A3 TDI 2012, EGR Valve by Vemo®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...High quality at an affordable priceExpertly made from premium materials$232.68
- Vaico®Crankcase Breather Oil TrapAudi A3 2012, Crankcase Breather Oil Trap by Vaico®. Quality results from the consistent pursuit of a customer-focused strategy. Clients wishes are in the center of business. Vaico aim: the best quality for your satisfaction. As a...Designed to provide long-lasting service lifeMade utilizing state-of-the-art equipment$91.61
- Elring®Crankcase BreatherAudi A3 2012, Crankcase Breather by Elring®. For professional repairs, place your trust in gaskets, gasket sets and service parts from Elring - the reliable and experienced supplier of spare parts to original equipment standard. The...Expertly Crafted from the highest grade materialsMade to provide maximum accuracy and dependability$1.23
- Original (OEM)Emission Control PartsAlong with power, your engine produces carbon monoxide, oxide of nitrogen, hydrocarbons, and other hazardous gases that cause harm to the environment. To minimize air pollution, all vehicles are equipped with an emission control system...
- Audi OEEmission System - Emission Components (2.0L)Audi A3 2.0L 2012, Emission System - Emission Components 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...Genuine OE replacement for your specific Audi modelDesigned to bring your vehicle back to its pristine condition$8.16 - $495.20
- Genuine®Oxygen SensorAudi A3 2.0L CBFA Engine 2012, Oxygen Sensor by Genuine®. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest technologies and manufactured from premium materials...Made with precision and quality in mindDesigned to meet your specific needs$32.22
- Vemo®Oxygen SensorAudi A3 2012, Oxygen Sensor by Vemo®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...High quality at an affordable priceExpertly made from premium materials$46.37 - $336.50
- Walker®Oxygen SensorAudi A3 2012, Oxygen Sensor by Walker®. Position: Downstream. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the complete exhaust job. When you...Makes installation quick and easyOptimal OE-style fit and quality$118.93
- Delphi®Oxygen SensorAudi A3 2.0L 2012, Oxygen Sensor by Delphi®. Position: Rear. As one of the leading suppliers of oxygen sensor technology since 1978, Delphi planar technology is the result of their OE and aftermarket engineers partnering together to...Resists high temperatures, vibration damage and wire corrosion to protect signal accuracy, and long lifePatented sensors construction and design$125.23 - $157.45
- Valeo®EGR ValveAudi A3 TDI 2012, EGR Valve by Valeo®. The top-notch Valeo part will replace a used component in your vehicle's emission control system to ensure proper performance while reducing fuel consumption and pollutant emissions. This component...Designed for efficient recovery of nitrogen oxide emissionsMade from top-grade materials for superior durability$236.23
- Denso®Air Fuel Ratio SensorAudi A3 2.0L 2012, Air Fuel Ratio Sensor by Denso®. Make sure your engine runs efficiently and produces fewer emissions by replacing your malfunctioning fuel-ratio sensors with these top-notch products designed by Denso. Engineered with...Designed to help reduce fuel consumption and harmful emissionsMade with the use of state-of-the-art sensor technologies$114.09 - $160.15
- Standard®Intermotor™ Vapor Canister Purge SolenoidAudi A3 / A3 Quattro 2012, Intermotor™ Vapor Canister Purge Solenoid by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the...Made with precision and quality in mindDesigned to meet your specific needs$91.02
- NTK®Air Fuel Ratio SensorAudi A3 2.0L 2012, Air Fuel Ratio Sensor by NTK®. Air fuel ratio sensors utilize a sophisticated sensing element that enables them to produce a precise output in proportion to the air fuel ratio. AFR sensors provide the ECU with an...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$66.39 - $146.29
- Original Equipment®Secondary Air Injection PipeAudi A3 2.0L CBFA Engine 2012, Secondary Air Injection Pipe by Original Equipment®. Looking for high-quality replacement parts to restore the performance of your vehicle? Then Original Equipment automotive parts are for you. They are...Perfect replacement for your damaged or worn out original partMade using high-grade materials for long-lasting dependability$32.32
- Vaico®Engine Oil SeparatorAudi A3 2012, Engine Oil Separator by Vaico®. Location: On Block. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It...Made with precision and quality in mindDesigned to meet your specific needs$40.70
- URO Parts®Oil SeparatorAudi A3 Base 2012, Oil Separator by URO Parts®. Make your vehicle operating quiet again by replacing your malfunctioning component with this top-notch emission control part. The dependable URO part will make your exhaust system work as...Designed to replace your worn out exhaust partHelps to restore quiet vehicle operation$22.52
- WVE®Engine Oil SeparatorAudi A3 2.0L 2012, Engine Oil Separator by WVE®. WVE emissions products are made to meet or exceed vehicle manufacturer specifications to work in concert with the fuel system, underhood electronics and the engine to minimize emissions...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$121.50
- Vemo®Air Intake Control ValveAudi A3 Base 2012, Air Intake Control Valve by Vemo®. Grade: OE. Vemo products are made by high-quality materials and undergo strict quality tests. They are, thereby, the perfect alternative to the original part.Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$48.12
Shop By Service Type
- EGR Valve Replacement
- Vent Oil Separator Replacement
- Oxygen Sensor Replacement
- Secondary Air Injection System Air Bypass Valve Replacement
- Canister Purge Solenoid Replacement
- EGR Pressure Feedback Sensor Replacement
- Positive Crankcase Ventilation (PCV) Valve Replacement
- EGR Temperature Sensor Replacement
- Crankcase Vent Filter Replacement
- Secondary Air Injection Hose Replacement
- Fuel Evaporative Canister Replacement
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