The Bosch Oxygen Sensor - 16201 is a high-quality automotive sensor designed to measure the oxygen levels in the exhaust gases of a vehicle. It is used to monitor the air-fuel ratio and ensure optimal engine performance. This sensor is made with durable materials and advanced technology to provide accurate readings and withstand harsh conditions. It is compatible with a wide range of vehicles and is easy to install. The Bosch Oxygen Sensor - 16201 is an essential component for maintaining fuel efficiency and reducing harmful emissions.