O2 oxygen sensor air fuel ratio 22690-aa831 for Wrx Sti My04 My05 My06 My07

Enhance your WRX STI's performance with the O2 Oxygen Sensor Air Fuel Ratio 22690-AA831. This OEM quality sensor is specifically designed for models MY04, MY05, MY06, and MY07 (auto only), ensuring optimal air-fuel mixture for improved efficiency and emissions control.

- Durable construction with a 12-month unlimited km warranty
- Reliable post-cat (rear) sensor
- Direct replacement for OEM numbers: 22690-AA891 and 22690-AA831

Ensure compatibility by checking your original part number and plug type for a seamless fit. Upgrade your vehicle today for a smoother, more efficient ride!