2004 Subaru WRX Oxygen Sensors & Components
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TRQ®Oxygen SensorSubaru WRX / WRX STI 2.0L 2004, Oxygen Sensor by TRQ®. Position: Upstream. Location: Bank 1 Sensor 1. If your oxygen sensor fails, replace it with this top-grade part developed to easily fix the problem. Built to fit and function...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$69.51$73.95Save $4.44 (6%) - TRQ®Downstream O2 Oxygen SensorSubaru WRX / WRX STI Base 2004, 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...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$39.72$40.95Save $1.23 (3%)
- Denso®Oxygen SensorSubaru WRX 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 Denso....High quality plastic and/or steel constructionDirect replacement for a proper fit every time$62.89
- Bosch®Premium Narrow-band Oxygen SensorSubaru WRX / WRX STI Standard Transmission 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...OE Identical ConnectorCompact Design$60.90
- Walker Products®Oxygen SensorSubaru WRX 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 and...High quality at an affordable priceExpertly made from premium materials$50.98 - $140.22
- Walker Products®Premium Oxygen SensorSubaru WRX 2004, Premium Oxygen Sensor by Walker Products®. Position: Downstream. Location: B1S2 Sensor. Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet or exceed all original equipment...Improved Engine Response & PerformanceLower Emissions$60.09
- Spectra Premium®Oxygen SensorSubaru WRX 2004, Oxygen Sensor by Spectra Premium®. Position: Downstream. To ensure your vehicle has optimal performance and fuel economy while producing minimal emissions replace a defective O2 sensor with one backed by the...Increase vehicle fuel economy and engine performance while decreasing vehicle exhaust emissions100% performance tested to meet vehicle requirements$57.53
- NTK®Oxygen SensorSubaru WRX 2004, 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...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$67.26
- Delphi®Oxygen SensorSubaru WRX 2004, Oxygen Sensor by Delphi®. 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 develop the most...Resists high temperatures, vibration damage and wire corrosion to protect signal accuracy, and long lifePatented sensors construction and design$73.45 - $242.96
- Bosch®Premium Wideband Oxygen SensorSubaru WRX 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 use a more...Detects the exact amount of unburned fuel in the exhaust streamOE connectors and OE-style harness for continuous wire from connector to sensor$198.06 - $241.86
- Genuine®Lambda Temperature SensorSubaru WRX Base 2004, Lambda Temperature Sensor by Genuine®. Position: Front. 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...OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price$188.86
- Bosch®Universal Fit Narrow-band Oxygen SensorSubaru WRX / WRX STI 2004, Universal Fit Narrow-band Oxygen Sensor by Bosch®. Position: Downstream. Universal Oxygen Sensors with OE SmartLink™ are quick and easy to install. Each sensor has enough length of sensor wire to allow...Patented SmartLink™ connector systemNo special tools required for installation$41.34
- Denso®Air Fuel Ratio SensorSubaru WRX 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 by...Designed to help reduce fuel consumption and harmful emissionsMade with the use of state-of-the-art sensor technologies$139.94 - $202.63
- Walker Products®Premium Air Fuel Ratio SensorSubaru WRX 2004, Premium Air Fuel Ratio Sensor by Walker Products®. Position: Upstream. Location: B1S1 Sensor. Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet or exceed all original...Designed to meet or exceed OE specifications in form, fit and functionGlobal coverage for import and/or domestic applications$139.71 - $187.83
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