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$73.95Save: $3.70 (5%)$70.25 - 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$148.70 - $200.21
- 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$62.36
- 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$40.95Save: $2.05 (5%)$38.90
- 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 - $213.99
- 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$64.53
- 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
- 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
- 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
- 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
- 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$247.92 - $262.80
- 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$47.85
- 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
- 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
- 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$9.61 - $11.46
- ReplacementOxygen SensorSubaru WRX 2004, Oxygen 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...Expertly crafted from premium materialsDesigned to match rigorous quality standards$10.82 - $25.02
- NTK®Air Fuel Ratio SensorSubaru WRX 2004, Air Fuel Ratio Sensor by NTK®. Position: Upstream. 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. AFR...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$133.20 - $189.09
- ACDelco®Professional™ Oxygen SensorSubaru WRX 2004, Professional™ Oxygen Sensor by ACDelco®. Position: Downstream. 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...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$103.39Save: 15%$87.88
- CRS®Air Fuel Ratio SensorSubaru WRX / WRX STI 2.0L 2004, Air Fuel Ratio 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....Compliant with the most strict standards for qualityDesigned to comply with the highest quality standards$39.82 - $92.91
- Facet®Oxygen SensorSubaru WRX / WRX STI 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$114.54
- Herko®Oxygen SensorSubaru WRX STI 2.5L 2004, Oxygen 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...Will help optimize your vehicle’s performance and fuel efficiencyBuilt using high-grade materials for ultimate quality and durability$51.03
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