2.5L Turbo Rear Sensor Assembly

The Subaru OEM Rear Oxygen Sensor (MPN: 22690AA850) is a genuine replacement part engineered to ensure your Subaru operates efficiently and adheres to emissions standards. This rear O2 sensor is designed for models equipped with a 2.5L turbocharged engine. A failed oxygen sensor can lead to reduced fuel efficiency and increased emissions, often indicated by a check engine light. As an OEM part, this sensor guarantees direct fitment and quality comparable to the original component. This oxygen sensor is specifically listed for the following Subaru applications: 2008-2014 Subaru Impreza WRX STI, as well as other Subaru WRX and STI models from 2008 through 2021.