Details

• Brand:

  

• SKU:

  22690AA520

• Positions: Rear
• Other Names:

  Rear Oxygen Sensor, Sensor Ay Oxygen

• Description:

  Impreza. 2.5l. Rear. Forester. 2.5L turbo, with sti. Impreza. 2.0l. 2.0L, 2004-05, manual trans. Baja. 2.0L, 2002-03, manual trans. 2.5L turbo, 2004, manual trans.

  Oxygen Sensor - Subaru (22690AA520)

  The Oxygen Sensor - Subaru (22690AA520) is a Genuine OEM engine management component designed to monitor exhaust gases and optimize fuel-to-air ratio for maximum efficiency and performance. Located within the exhaust system, this sensor provides critical feedback to the engine control unit (ECU), helping maintain proper combustion, improve fuel economy, and reduce emissions. Subaru engineers design this part to meet precise factory specifications, ensuring dependable performance and exact compatibility.

  Built from high-quality materials with advanced sensing elements, the 22690AA520 Oxygen Sensor is engineered to withstand extreme temperatures, pressure, and exposure to exhaust gases. Its precision electronics deliver accurate, real-time data, allowing the ECU to adjust fuel injection and ignition timing for optimal efficiency. Unlike aftermarket alternatives, this OEM sensor guarantees proper calibration and seamless integration with Subaru’s engine management systems.

  For professional mechanics, this oxygen sensor provides confidence in diagnostic accuracy and reliable engine performance restoration. For DIY owners, the direct-fit design simplifies replacement, with factory-correct connectors and wiring for straightforward installation. Using the correct OEM sensor helps eliminate error codes, restore drivability, and prevent damage to components like the catalytic converter.

  A failing oxygen sensor can lead to poor fuel economy, rough idling, increased emissions, and a check engine light. Replacing it with Subaru’s OEM solution ensures your vehicle continues to run cleanly, efficiently, and in compliance with emissions standards.

  The Oxygen Sensor - Subaru (22690AA520) delivers factory-level accuracy and durability, making it the trusted choice for keeping your Subaru’s engine at peak performance.

  • Genuine OEM Subaru oxygen sensor for exact fitment

  • Part number 22690AA520 ensures proper identification

  • Provides real-time exhaust data for ECU adjustments

  • Durable construction withstands heat and exhaust conditions

  • Direct-fit installation with factory connectors

  • Restores fuel efficiency, drivability, and emissions compliance

  By choosing the Oxygen Sensor - Subaru (22690AA520), you protect your Subaru’s engine performance, efficiency, and long-term reliability with the assurance of Genuine OEM quality.

  
  

• Condition: New
• Notes: Order By Description.

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