The Bosch Oxygen Sensor - 15681 is a high-quality automotive sensor designed to measure the amount of oxygen in the exhaust gases of a vehicle. It is a direct-fit replacement for the original sensor, ensuring accurate readings and optimal engine performance. The sensor is made with durable materials and features a heated element for faster response times and improved efficiency. It is compatible with a wide range of vehicle makes and models and is easy to install. The Bosch Oxygen Sensor - 15681 is an essential component for maintaining proper fuel-to-air ratios and reducing harmful emissions.