The Bosch Oxygen Sensor - 16864 is a high-quality sensor designed to measure the oxygen levels in a vehicle's exhaust system. It is a direct replacement for the original sensor and is compatible with a wide range of vehicle makes and models. The sensor is made with durable materials and is designed to withstand extreme temperatures and harsh conditions. It provides accurate readings to the vehicle's engine control unit, allowing for optimal fuel efficiency and reduced emissions. This sensor is essential for maintaining the performance and efficiency of a vehicle's engine.