O2 Sensor for Subaru Liberty Outback STI, Pre-Cat, EJ20 Turbo 2003-2006

Enhance your Subaru's performance with our premium quality O2 Sensor, specifically designed for the Liberty Outback STI models from 2003-2006 equipped with EJ20 Turbo engines. This OEM spec sensor ensures precise fuel delivery and optimal engine function, helping to:

- Correct imbalances in air/fuel ratio
- Improve fuel efficiency and reduce emissions
- Resolve drivability issues like rough idling and stalling

With a 2-year warranty, you can trust in its quality and performance. For the best results, professional installation is recommended. Upgrade your ride and keep your engine running smoothly with our O2 Sensor.