The Bosch Oxygen Sensor - 16443 is a high-quality automotive sensor designed to measure the oxygen levels in a vehicle's exhaust system. It is responsible for providing accurate data to the engine control unit, allowing for optimal fuel-to-air ratio and efficient engine performance. This sensor is made with durable materials and advanced technology to ensure long-lasting reliability. It is compatible with a wide range of vehicle makes and models and is easy to install. The Bosch Oxygen Sensor - 16443 is an essential component for maintaining the overall health and performance of a vehicle's engine.