The Genuine Porsche Mass Air Flow Sensor is a high-quality component designed for use in Porsche vehicles. It is part number 99660612495 and is used to measure the amount of air flowing into the engine. This information is then used by the engine control unit to adjust the air-fuel ratio for optimal performance and efficiency. The sensor is made with genuine Porsche parts and is built to the highest standards for reliable and accurate readings. It is a crucial component for maintaining the proper functioning of the engine and ensuring optimal performance.