The Bosch Oxygen Sensor - 17154 is a high-quality sensor designed to measure the amount of oxygen in a vehicle's exhaust system. It is a crucial component of the engine management system, providing accurate readings to help maintain optimal fuel efficiency and reduce harmful emissions. This sensor is compatible with a wide range of vehicle makes and models and is built to withstand harsh conditions and long-term use. It is a reliable and durable option for ensuring your vehicle's engine is running at its best.