
Air Fuel Ratio Oxygen Sensor 22690-AA831 for Subaru Forester. Accurate Oxygen Measurement: Precisely measures oxygen levels to ensure optimal fuel-to-air ratio. Durable Wear-Resistant Design: Built to last with a design undamaged by exhaust emissions. Stainless Steel Construction: Totally submersible and sealed tight to protect against contamination. Improved Fuel Efficiency: Reduces harmful emissions and enhances fuel economy. Enhanced Driving Safety: Detects engine malfunctions timely to prevent performance degradation. ISO Certified Quality: Product meets ISO certification standards for reliability. Fast Stock Delivery: Delivery time of 1-7 days for items available in stock. OEM & ODM Service: Customization services available for designs and samples.