The Bosch Oxygen Sensor - 13477 is a high-quality sensor designed to measure the oxygen levels in a vehicle's exhaust gas. It is specifically designed for use in vehicles with gasoline engines and helps to ensure optimal fuel efficiency and emission control. The sensor is made with durable materials and features advanced technology for accurate readings and long-lasting performance. It is compatible with a wide range of vehicle makes and models and is easy to install. This oxygen sensor is an essential component for maintaining the overall health and performance of a vehicle's engine.