The Genuine Porsche Direct Injection High Pressure Fuel Pump Kit - 471394 is a comprehensive kit designed to service the fuel pump system in a car. This kit includes three essential components: a high pressure fuel pump, a fuel filter, and a fuel pressure regulator. These parts work together to ensure that the fuel is delivered to the engine at the correct pressure for optimal performance. The high pressure fuel pump is responsible for pumping fuel from the gas tank to the engine, while the fuel filter removes any impurities from the fuel before it reaches the engine. The fuel pressure regulator maintains a consistent fuel pressure to ensure smooth operation of the engine. This kit is specifically designed for Porsche vehicles and is made with genuine parts to ensure the highest quality and compatibility. It is an essential kit for maintaining the fuel system and ensuring the best performance from the car.