2009 Audi A8 Emission Control Parts
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TRQ®Oxygen SensorAudi A8 Quattro 2009, 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$38.90 - $58.23$40.95 - $61.95Save up to 6% - Standard®PCV ValveAudi A8 Quattro 4.2L Gas 2009, PCV Valve by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity...Made with precision and quality in mindDesigned to meet your specific needs$405.18
- TRQ®Secondary Air Injection PumpAudi A8 Quattro 4.2L / 6.0L Gas 2009, Secondary Air Injection Pump by TRQ®. If you secondary air injection pump has gone bad, replace it with this top-notch part to keep your vehicle working properly. Engineered for quick and simple...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$132.00$138.95Save $6.95 (5%)
- TRQ®O2 Oxygen SensorAudi A8 Quattro 6.0L 2009, 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$34.15 - $58.23$35.95 - $61.95Save up to 6%
- TRQ®Downstream O2 Oxygen Sensor SetAudi A8 Quattro 4.2L Gas 2009, Downstream O2 Oxygen Sensor Set by TRQ®. TRQ oxygen sensors are manufactured to precise specifications using premium raw materials to optimize your vehicle’s emission system. Each sensor is...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$58.23$61.95Save $3.72 (6%)
- Bosch®Premium Wideband Oxygen SensorAudi A8 Quattro 2009, 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$103.01 - $130.38
- Walker Products®Oxygen SensorAudi A8 Quattro 2009, 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 - $135.30
- Bosch®Narrow-band Oxygen SensorAudi A8 Quattro 2009, Narrow-band Oxygen Sensor by Bosch®. Position: Downstream. 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...OE-EquivalentOE Style connectors and wire lengths$50.66
- Denso®Oxygen SensorAudi A8 Quattro 4.2L Gas 2009, Oxygen Sensor by Denso®. Position: Downstream. Make sure your engine runs efficiently and produces fewer emissions by replacing your malfunctioning fuel-ratio sensors with these top-notch products designed...High quality plastic and/or steel constructionDirect replacement for a proper fit every time$112.40 - $118.08
- Bosch®Premium Narrow-band Oxygen SensorAudi A8 Quattro 2009, Premium Narrow-band Oxygen Sensor by Bosch®. Position: Downstream. A worn-out oxygen sensor can cause engine performance problems and shorten the life of the catalytic converter. Tune-up your vehicle with an...OE Identical ConnectorCompact Design$87.40 - $107.78
- Walker Products®Premium Oxygen SensorAudi A8 Quattro 2009, 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 - $88.19
- NTK®Oxygen SensorAudi A8 Quattro 4.2L Gas 2009, Oxygen Sensor by NTK®. Position: Downstream. Thimble type sensors feature a ceramic element that projects into the exhaust system and becomes electrically conductive at high temperature. The sensor element...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$84.49 - $119.02
- Facet®Oxygen SensorAudi A8 Quattro 2009, Oxygen Sensor by Facet®. Position: Rear. 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...The reliable goods for increase of reliability of the carQuality equal, if not superior, to that of the original components$39.72 - $48.71
- Walker Products®Wideband Premium Oxygen SensorAudi A8 Quattro 2009, 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...High quality at an affordable priceExpertly made from premium materials$108.23 - $135.30
- Standard®Intermotor™ Vapor CanisterAudi A8 Quattro 2009, Intermotor™ Vapor Canister by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...Made with precision and quality in mindDesigned to meet your specific needs$392.43
- 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 (Vapor Canister & Sensors), (4.2L)Audi A8 Quattro 4.2L 2009, Emission System - Emission Components (Vapor Canister & Sensors) 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,...Genuine OE replacement for your specific Audi modelDesigned to bring your vehicle back to its pristine condition$3.64 - $630.20
- Audi OEEmission System - Emission Components (Vapor Canister & Sensors), (6.0L)Audi A8 Quattro 6.0L 2009, Emission System - Emission Components (Vapor Canister & Sensors) 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,...Genuine OE replacement for your specific Audi modelDesigned to bring your vehicle back to its pristine condition$3.64 - $630.20
- Vemo®Oxygen SensorAudi A8 Quattro 2009, 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...High quality at an affordable priceExpertly made from premium materials$46.37 - $142.91
- ACDelco®Professional™ Oxygen SensorAudi A8 Quattro 2009, Professional™ Oxygen Sensor by ACDelco®. If your O2 Sensor is not functioning properly, you are robbing yourself of performance and costing yourself money at the gas pump. Let ACDelco’s Professional Oxygen...ACDelco Professional Oxygen Sensors earn the name ACDelco by being put through a variety of tests, often under extreme and unusual conditionsCustomers can receive better gas mileage with a properly working oxygen sensor$102.61 - $109.24
- Walker®Oxygen SensorAudi A8 Quattro 4.2L 2009, Oxygen Sensor by Walker®. 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 choose...Makes installation quick and easyOptimal OE-style fit and quality$118.93 - $263.19
- DIY Solutions®Oxygen SensorAudi A8 Quattro 6.0L 2009, Oxygen Sensor by DIY Solutions®. Position: Downstream. If you're seeking to get your steel stallion back to its tip-top condition, then this top-notch replacement solution is what you should definitely look...Designed to help restore your vehicle to its former gloryQuick replacement to let you enjoy an awesome ride again$26.80$28.51Save $1.71 (6%)
- Delphi®Oxygen SensorAudi A8 Quattro 4.2L Gas 2009, 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...Resists high temperatures, vibration damage and wire corrosion to protect signal accuracy, and long lifePatented sensors construction and design$58.13 - $103.19
- Audi OEEmission System - Emission Components (A.I.R. Pump & Components), (4.2L Gas)Audi A8 Quattro 4.2L Gas 2009, Emission System - Emission Components (A.I.R. Pump & 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,...Genuine OE replacement for your specific Audi modelDesigned to bring your vehicle back to its pristine condition$10.01 - $1,037.87
- Vemo®Exhaust-Gas Door Change-Over ValveAudi A8 Quattro 6.0L 2009, Exhaust-Gas Door Change-Over Valve by Vemo®. Grade: Aftermarket. 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$49.87
- Dorman®OE Solutions™ Vapor Canister Purge ValveAudi A8 Quattro 2009, OE Solutions™ Vapor Canister Purge Valve by Dorman®. Location: Near Intake Manifold. Engineered for a perfect fit and plug-and-play installation, this vapor canister purge valve is a direct replacement for the...Direct replacement - this vapor canister purge valve fits and functions like original equipment to ensure proper function of your vehicle's evaporative emissions systemQuality construction - manufactured from premium materials for a long service life$31.48
- Denso®Air Fuel Ratio SensorAudi A8 Quattro 4.2L Gas 2009, Air Fuel Ratio Sensor by Denso®. Position: Upstream. Make sure your engine runs efficiently and produces fewer emissions by replacing your malfunctioning fuel-ratio sensors with these top-notch products...Designed to help reduce fuel consumption and harmful emissionsMade with the use of state-of-the-art sensor technologies$131.40
- TRQ®Vapor Canister Purge SolenoidAudi A8 Quattro 4.2L Gas 2009, Vapor Canister Purge Solenoid by TRQ®. Designed to perform just as well as the OEM part, this vapor canister purge solenoid is what you need to restore the emission control system of your vehicle. The...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$24.91$25.95Save $1.04 (4%)
- Standard®Intermotor™ Vapor Canister Purge SolenoidAudi A8 Quattro 2009, 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 highest...Made with precision and quality in mindDesigned to meet your specific needs$14.17 - $91.02
- WVE®Vapor Canister Purge SolenoidAudi A8 Quattro 2009, Vapor Canister Purge Solenoid 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...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$14.82 - $30.13
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