The Bosch Oxygen Sensor - 17243 is a high-quality automotive sensor designed to measure the oxygen levels in the exhaust gas of a vehicle. It is a crucial component of the engine control system, providing accurate readings to ensure optimal fuel efficiency and reduced emissions. This sensor is made with durable materials and advanced technology to withstand harsh conditions and provide reliable performance. It is compatible with a wide range of vehicle makes and models and is easy to install. The Bosch Oxygen Sensor - 17243 is an essential part for maintaining the overall health and performance of a vehicle.