The Genuine VW / Audi High Pressure Fuel Pump Kit - 178369 is a comprehensive kit of products designed for use in a car's fuel system. It includes a high pressure fuel pump, as well as two other essential components, all of which are crucial for maintaining proper fuel pressure and delivery in a vehicle. The kit is specifically designed for use in Volkswagen and Audi vehicles, but can potentially be used in other makes and models as well. The contents of the kit include a high pressure fuel pump, a fuel pressure sensor, and a fuel pressure regulator. These components work together to ensure that the fuel system is functioning properly and delivering the correct amount of fuel to the engine. This kit is essential for maintaining the performance and efficiency of a car's fuel system, and is a necessary purchase for any Volkswagen or Audi owner.