The Bosch Oxygen Sensor - 16143 is a high-quality sensor designed to monitor the oxygen levels in a vehicle's exhaust system. It measures the amount of oxygen in the exhaust gas and sends this information to the vehicle's engine control unit, allowing for more precise fuel delivery and emission control. This sensor is made with durable materials and advanced technology to ensure accurate and reliable readings. It is compatible with a wide range of vehicles and is easy to install. The Bosch Oxygen Sensor - 16143 is an essential component for maintaining optimal engine performance and reducing harmful emissions.