Audi S4 Oxygen Sensors & Components
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Denso®Air Fuel Ratio Sensor (234-5028)Air Fuel Ratio Sensor (234-5028) 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 by Denso....Designed to help reduce fuel consumption and harmful emissionsMade with the use of state-of-the-art sensor technologies$162.87 - NTK®Air Fuel Ratio Sensor (24380)Air Fuel Ratio Sensor (24380) by NTK®. Position: Upstream Passenger Side. Location: B1S1. Air fuel ratio sensors utilize a sophisticated sensing element that enables them to produce a precise output in proportion to the air fuel ratio....Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$122.70
- NTK®Air Fuel Ratio Sensor (24343)Air Fuel Ratio Sensor (24343) by NTK®. Position: Upstream. Location: CylInders 1-4 / B1S1. Air fuel ratio sensors utilize a sophisticated sensing element that enables them to produce a precise output in proportion to the air fuel ratio....Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$253.63
- NTK®Air Fuel Ratio Sensor (24316)Air Fuel Ratio Sensor (24316) by NTK®. Position: Upstream Driver Side. Location: B2S1. 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...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$102.19
- WVE®A/C Compressor Control Relay (1R1007)A/C Compressor Control Relay by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality. Made to meet or exceed...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$5.02
- ACDelco®Gold™ EGR Time Delay Switch Connector (PT2384)Gold™ EGR Time Delay Switch Connector (PT2384) by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$17.77
- ACDelco®Gold™ EGR Time Delay Switch Connector (PT2164)Gold™ EGR Time Delay Switch Connector (PT2164) by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$9.66
- Bosch®Premium Oxygen Sensor (15306)Premium Oxygen Sensor (15306) 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 efficient in...OE Identical ConnectorCompact Design$47.08
- Dorman®OE Solutions™ Oxygen Sensor Bung Repair Kit (917-113)OE Solutions™ Oxygen Sensor Bung Repair Kit (917-113) 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...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$9.63
- Dorman®OE Solutions™ Oxygen Sensor Bung Repair Kit (917-112)OE Solutions™ Oxygen Sensor Bung Repair Kit (917-112) 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...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$11.35
- Dorman®OE Solutions™ Oxygen Sensor Bung Repair Kit (917-111)OE Solutions™ Oxygen Sensor Bung Repair Kit (917-111) 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...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$11.11
- Dorman®OE Solutions™ Oxygen Sensor Bung Repair Kit (917-110)OE Solutions™ Oxygen Sensor Bung Repair Kit (917-110) 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...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$9.61
- Dorman®OE Solutions™ Oxygen Sensor Bung Repair Kit (917-109)OE Solutions™ Oxygen Sensor Bung Repair Kit (917-109) 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...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$11.08
- NTK®Oxygen Sensor (25261)Oxygen Sensor by NTK®. Position: Downstream. Location: B1S2. 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...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$82.66
- NTK®Air Fuel Ratio Sensor (27098)Air Fuel Ratio Sensor (27098) by NTK®. Position: Upstream Passenger Side. Location: B1S1. Air fuel ratio sensors utilize a sophisticated sensing element that enables them to produce a precise output in proportion to the air fuel ratio....Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$59.74
- ReplacementOxygen SensorOxygen Sensor by Replacement. 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, this product by Replacement will last a lifetime. It will...Expertly crafted from premium materialsDesigned to match rigorous quality standards$4.82 - $48.41
- Aceon®Oxygen SensorOxygen Sensor by Aceon®. 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 industry-leading materials...Designed to provide long-lasting service lifeMade utilizing state-of-the-art equipment$17.48 - $56.26
- CRS®Oxygen SensorOxygen 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 industry-leading materials...Made with precision and quality in mindDesigned to meet your specific needs$13.10 - $101.78
- Herko®Oxygen SensorOxygen Sensor by Herko®. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle installation and help restore proper fuel system functionality needed to keep your vehicle performing...Will help optimize your vehicle’s performance and fuel efficiencyBuilt using high-grade materials for ultimate quality and durability$18.16 - $55.65
- ReplacementOxygen Sensor SetOxygen Sensor Set by Replacement. 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, this product by Replacement will last a lifetime. It...Expertly crafted from premium materialsDesigned to match rigorous quality standards$9.64 - $81.78
- Genuine®Oxygen Sensor RelayOxygen Sensor Relay 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 state-of-the-art...Made with precision and quality in mindDesigned to meet your specific needs$63.26 - $65.09
- TRQ®Oxygen Sensor (OSA61354)Oxygen Sensor (OSA61354) by TRQ®. Position: Downstream Driver Side. Location: Bank 1 Sensor 2. 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$35.47$36.95Save $1.48 (4%)
- Walker Products®Oxygen Sensor (350-35056)Oxygen Sensor (350-35056) by Walker Products®. Position: Upstream. Location: Cylinders 7-9. 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...High quality at an affordable priceExpertly made from premium materials$135.30
- Walker Products®Oxygen Sensor (350-35086)Oxygen Sensor (350-35086) by Walker Products®. Position: Upstream Driver Side. 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...High quality at an affordable priceExpertly made from premium materials$113.94
- Bosch®Premium Narrow-band Oxygen Sensor (16383)Premium Narrow-band Oxygen Sensor (16383) by Bosch®. Position: Downstream. Location: Cylinders 1-4. A worn-out oxygen sensor can cause engine performance problems and shorten the life of the catalytic converter. Tune-up your vehicle...OE Identical ConnectorCompact Design$104.35
- NTK®Oxygen Sensor (25524)Oxygen Sensor (25524) by NTK®. Position: Upstream. Location: B1S1. Thimble type sensors feature a ceramic element that projects into the exhaust system and becomes electrically conductive at high temperature. The sensor element then...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$57.92
- NTK®Oxygen Sensor (25621)Oxygen Sensor (25621) by NTK®. Position: Downstream Driver Side. Location: B2S2. Thimble type sensors feature a ceramic element that projects into the exhaust system and becomes electrically conductive at high temperature. The sensor...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$86.01
- Walker Products®Premium Oxygen Sensor (250-25147)Premium Oxygen Sensor (250-25147) by Walker Products®. Position: Upstream. Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet or exceed all original equipment specifications and test...Improved Engine Response & PerformanceLower Emissions$154.45
- Walker Products®Premium Oxygen Sensor (250-23102)Premium Oxygen Sensor by Walker Products®. Position: Upstream. 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$58.21
- Spectra Premium®Oxygen Sensor (OS6300)Oxygen Sensor (OS6300) by Spectra Premium®. Position: Downstream Passenger Side. Location: Bank 1 Sensor 2. To ensure your vehicle has optimal performance and fuel economy while producing minimal emissions replace a defective O2 sensor...Increase vehicle fuel economy and engine performance while decreasing vehicle exhaust emissions100% performance tested to meet vehicle requirements$22.34
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