The Bosch Oxygen Sensor - 17255 is a high-quality sensor designed to measure the amount of oxygen in a vehicle's exhaust system. It is specifically designed for use in gasoline engines and helps to ensure optimal fuel efficiency and reduce harmful emissions. The sensor is made with durable materials and is built to withstand the harsh conditions of the exhaust system. It is easy to install and provides accurate readings to help maintain the proper air-to-fuel ratio for optimal engine performance. The Bosch Oxygen Sensor - 17255 is a reliable and essential component for any vehicle's emission control system.