The Genuine Porsche Knock Sensor - 95560612521 is a high-quality sensor designed specifically for use in Porsche vehicles. It is responsible for detecting abnormal engine vibrations that may be caused by knocking or pinging, which can lead to engine damage if left unchecked. This sensor is essential for ensuring the smooth and efficient operation of the engine, as it sends signals to the engine control unit to adjust the ignition timing and prevent knocking. It is a genuine OEM part, manufactured to the highest standards for reliability and performance. This knock sensor is compatible with various Porsche models and is a critical component for maintaining the overall health and longevity of the engine.