The Genuine VW/Audi Fuel Injector Reseal Kit - 178313 is a comprehensive kit of products designed specifically for repairing and maintaining the fuel injector system in Volkswagen and Audi cars. This kit includes three main components: a fuel injector seal, a fuel injector o-ring, and a fuel injector clip. These parts are crucial for ensuring proper fuel delivery and preventing leaks in the fuel system. The fuel injector seal is responsible for creating a tight seal between the fuel injector and the fuel rail, while the o-ring helps to prevent any fuel from leaking out. The fuel injector clip securely holds the fuel injector in place. This kit is a must-have for any car owner looking to maintain the performance and efficiency of their Volkswagen or Audi vehicle.