- Compatible Models : This Air Fuel Ratio Sensor is specifically designed for use in 2003 to 2006 Baja models, as well as 2003 and 2004 Forester and Impreza vehicles. Ensure a perfect fit and optimal performance. - Fit Vehicles : The O2 Oxygen Sensor is compatible with 2003 and 2004 Legacy and Outback models, providing seamless integration into your vehicle's system. - Quality & Durability : Our Oxygen Sensors are manufactured to stringent scientific standards and undergo rigorous testing before leaving the factory. They are built to be oxidation-resistant and can withstand high temperatures, ensuring reliable, long-term performance that supports smooth engine operation. - Easy Installation : Designed for direct replacement of your vehicle's original sensor, our Oxygen Sensors require no modifications during installation. They feature precoated threads to facilitate a quick and hassle-free setup, getting you back on the road in no time. - Practical Applications : - Ideal for troubleshooting and resolving engine performance issues related to air-fuel mix. - Enhances fuel efficiency by providing accurate readings to the engine control unit. - Essential for ensuring compliance with emission standards, reducing harmful pollutants. Choose our Oxygen Sensor for a dependable solution that guarantees improved vehicle performance and increased efficiency.