2004 Subaru WRX Oxygen Sensors
- Denso® - Downstream OE Connector Oxygen SensorSubaru WRX 2004, Downstream OE Connector Oxygen Sensor by Denso®, 1 Piece. Denso's light duty oxygen sensor started to appear on vehicles with the development of fuel injection systems. The basic job of the sensor is to monitor the air fuel...Our price: $47.24$47.2420% OFF
- Spectra Premium® - Oxygen SensorSubaru WRX STI 2004, Oxygen Sensor by Spectra Premium®. 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 aftermarket’s most...Our price: $94.25$94.2520% OFF
- Delphi® - Oxygen SensorSubaru WRX 2004, Oxygen Sensor by Delphi®, 7/8" Wrench, Square-4 Blade Connector, 18 x 1.5mm Thread, 4 Wires, 7/8" Wrench. As one of the leading suppliers of oxygen sensor technology since 1978, Delphi planar technology is the result of their OE...Our price: $50.81 - $176.46$50.8120% OFF
- Accel® - Gen VII™Linear Oxygen SensorUniversal Gen VII™Linear Oxygen Sensor by Accel®. No matter what vehicle you own, its ignition system is what helps to achieve the mileage and power you bought it for. Quality ignition system components are a sure way to let your engine run...Our price: $74.82 - $991.22$74.8220% OFF
- NTK® - Replacement Oxygen SensorSubaru WRX 2004, Replacement Oxygen Sensor by NTK®. This product is designed to improve engine efficiency and fuel mileage, while reducing emissions and extending catalyst life. The oxygen sensor is made of premium quality material and...Our price: $88.78$88.7820% OFF
- Hitachi® - Oxygen SensorSubaru WRX STI 2004, Oxygen Sensor by Hitachi®. This is an aftermarket part that replaces factory OE # 22690AA640. This sensor is manufactured using the latest electronic-sensing technology to ensure accurate measurement of the concentration of...Our price: $204.34$204.3420% OFF
- Accel® - UEGO Wideband O2 ModuleUniversal UEGO Wideband O2 Module by Accel®. No matter what vehicle you own, its ignition system is what helps to achieve the mileage and power you bought it for. Quality ignition system components are a sure way to let your engine run better,...Our price: $495.60$495.6020% OFF
- Walker Products Inc.® - OE Connector Oxygen SensorSubaru WRX 2004, OE Connector Oxygen Sensor by Walker Products Inc.®. Position: Rear. Is your CHECK ENGINE light on? Has your vehicle failed a state emissions test? Your vehicle’s emissions control system is in need of repair, but before you...Our price: $89.83$89.8320% OFF
- Denso® - Upstream OE Connector Air Fuel Ratio SensorSubaru WRX 2004, Upstream OE Connector Air Fuel Ratio Sensor by Denso®, 1 Piece. The air/fuel ratio sensor sends information to the engine management computer to makes adjustments based on driving conditions. This wider range and variable...Our price: $99.80 - $127.95$99.8020% OFF
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Posted by William C.
"I am very pleased with the product. It came in good condition and was a perfect fit, not a close fit but a perfect fit. Oh yes, the check engine Service light did go out!"