The Bosch Oxygen Sensor - 16808 is a high-quality automotive sensor designed to measure the amount of oxygen in a vehicle's exhaust gas. It is used to monitor the air-fuel ratio of the engine and ensure efficient combustion. This sensor is compatible with various vehicle makes and models and is easy to install. It is a crucial component in the vehicle's emission control system, helping to reduce harmful emissions and improve fuel efficiency. The Bosch Oxygen Sensor - 16808 is a reliable and durable product that provides accurate readings for optimal engine performance.