Air Fuel Ratio Sensor Assembly

The Genuine Subaru 22641AA042 is a direct replacement air fuel ratio sensor assembly, also known as an oxygen sensor. This part is manufactured to meet Subaru's strict quality standards, ensuring reliable performance and durability. This sensor assembly is specifically designed for the 2.0L H4 Turbo engines found in the Subaru Impreza WRX, Impreza STI, and Impreza models. The compatible model years are 2002-2005 for the Impreza and Impreza WRX, and 2004-2005 for the Impreza STI. When servicing the oxygen sensor, special care should be taken to keep grease, dirt, and other contaminants away from the electrical connector and the sensor itself. Cleaning solvents should not be used on the oxygen sensor, and it should not be dropped or roughly handled. This genuine Subaru part is backed by Subaru's factory warranty, typically a 12-month/12,000-mile term.