The Genuine VW / Audi Fuel Injector Kit - 178279 is a comprehensive kit of products designed for servicing fuel injectors in Volkswagen and Audi vehicles. It includes all the necessary components to properly clean and maintain the fuel injectors, ensuring optimal performance and efficiency. The kit contains three main components - a fuel injector cleaner, a fuel injector seal kit, and a fuel injector o-ring kit. The fuel injector cleaner is used to remove any built-up deposits or impurities in the fuel injector, while the seal and o-ring kits provide replacements for worn out or damaged seals and o-rings. This kit is specifically designed for use on Volkswagen and Audi vehicles, and is a reliable and effective solution for maintaining the fuel system of these cars.