The Genuine Porsche Oxygen Sensor - 98660612601 is a high-quality sensor designed specifically for Porsche vehicles. It is used to measure the amount of oxygen in the exhaust system and provide this information to the engine control unit. This allows for precise fuel delivery and optimal engine performance. The sensor is made from durable materials and is designed to meet strict Porsche specifications for accuracy and reliability. It is an essential component for maintaining the overall performance and efficiency of a Porsche vehicle.