The Bosch Oxygen Sensor - 16145 is a high-quality automotive sensor designed to measure the oxygen content in a vehicle's exhaust gas. This sensor is essential for the proper functioning of the engine and emission control system, as it provides real-time data to the engine control unit to adjust the air-fuel ratio for optimal performance and reduced emissions. The sensor is made with durable materials and advanced technology to ensure accurate readings and long-lasting performance. It is compatible with a wide range of vehicle makes and models and is easy to install.