The Pierburg Porsche Throttle Position Switch - 402003500 is a high-quality electronic component designed specifically for use in Porsche vehicles. It is responsible for detecting the position of the throttle and relaying this information to the engine control unit, allowing for precise control of the engine's fuel injection and ignition timing. This switch is manufactured by Pierburg, a trusted brand known for producing reliable and durable automotive parts. It is a direct replacement for the original throttle position switch and is compatible with a wide range of Porsche models. This product is essential for maintaining the performance and efficiency of the engine and ensuring a smooth driving experience.