2004 Audi A8 Oxygen Sensors & Components
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TRQ®O2 Oxygen SensorAudi A8 Quattro 2004, 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$35.95 - $66.95 - Bosch®Narrow-band Oxygen SensorAudi A8 Quattro 4.2L 2004, 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...OE-EquivalentOE Style connectors and wire lengths$50.66
- Bosch®Premium Wideband Oxygen SensorAudi A8 Quattro 4.2L 2004, 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...Detects the exact amount of unburned fuel in the exhaust streamOE connectors and OE-style harness for continuous wire from connector to sensor$102.82
- Denso®Oxygen SensorAudi A8 Quattro 4.2L 2004, 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 by...High quality plastic and/or steel constructionDirect replacement for a proper fit every time$80.76
- Walker Products®Oxygen SensorAudi A8 Quattro 4.2L 2004, 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...High quality at an affordable priceExpertly made from premium materials$64.75 - $115.64
- Bosch®Premium Narrow-band Oxygen SensorAudi A8 Quattro 4.2L 2004, 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$87.03
- NTK®Oxygen SensorAudi A8 Quattro 4.2L 2004, 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...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$71.90 - $77.94
- Walker Products®Premium Oxygen SensorAudi A8 Quattro 4.2L 2004, 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....Improved Engine Response & PerformanceLower Emissions$82.14
- Walker Products®Wideband Premium Oxygen SensorAudi A8 Quattro 4.2L 2004, 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$104.28 - $112.13
- Facet®Oxygen SensorAudi A8 Quattro L 2004, 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...The reliable goods for increase of reliability of the carQuality equal, if not superior, to that of the original components$46.74
- Genuine®Oxygen SensorAudi A8 Quattro 2004, 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 using...Made with precision and quality in mindDesigned to meet your specific needs$32.22
- 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 2004, 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
- Walker®Oxygen SensorAudi A8 Quattro 2004, 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 Walker...Makes installation quick and easyOptimal OE-style fit and quality$214.37
- Denso®Air Fuel Ratio SensorAudi A8 Quattro 4.2L 2004, 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$135.94
- NTK®Air Fuel Ratio SensorAudi A8 Quattro 4.2L 2004, 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...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$127.39 - $132.13
- WVE®Oxygen Sensor RelayAudi A8 Quattro 2004, Oxygen Sensor Relay 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$5.02
- Dorman®OE Solutions™ Oxygen Sensor Bung Repair KitOE Solutions™ Oxygen Sensor Bung Repair Kit by Dorman®. Why replace an exhaust pipe because of a corroded, stripped or damaged oxygen sensor bung? Save the pipe and replace the bung with this weld-on replacement. Standard O2 sensor...Repair-friendly solution - this oxygen sensor bung allows replacement of a damaged fitting without replacing the entire exhaust componentUniversal fitment - designed to accommodate standard oxygen sensor threads$9.14 - $11.08
- ReplacementOxygen SensorAudi A8 Quattro L 4.2L 2004, Oxygen Sensor by Replacement. Location: Before Catalytic Converter. 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...Expertly crafted from premium materialsDesigned to match rigorous quality standards$25.00
- Spectra Premium®Oxygen SensorAudi A8 Quattro 2004, Oxygen Sensor by Spectra Premium®. To ensure your vehicle has optimal performance and fuel economy while producing minimal emissions replace a defective O2 sensor with one backed by the aftermarket’s most...Increase vehicle fuel economy and engine performance while decreasing vehicle exhaust emissions100% performance tested to meet vehicle requirements$19.32 - $86.45
- Vemo®Oxygen SensorAudi A8 Quattro L 4.2L 2004, 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...High quality at an affordable priceExpertly made from premium materials$92.28 - $196.28
- ACDelco®Professional™ Oxygen SensorAudi A8 Quattro 4.2L 2004, 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$111.44 - $111.45
- Aceon®Oxygen SensorAudi A8 Quattro 4.2L 2004, Oxygen Sensor by Aceon®. Position: Upstream Passenger Side. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of...Made with precision and quality in mindDesigned to meet your specific needs$56.26
- CRS®Oxygen SensorAudi A8 Quattro 4.2L 2004, Oxygen Sensor by CRS®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Compliant with the most strict standards for qualityDesigned to comply with the highest quality standards$47.80 - $86.81
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