The Genuine VW / Audi Timing Belt Kit - 178639 is a comprehensive kit of products designed for servicing the timing belt of a Volkswagen or Audi car. This kit includes 17 different components, each carefully selected to ensure proper maintenance and replacement of the timing belt. The contents of this kit may vary depending on the specific model of the car, but typically include items such as a timing belt, tensioner, idler pulleys, water pump, gaskets, and seals. These high-quality products are specifically designed to meet the standards and specifications of Volkswagen and Audi vehicles, ensuring optimal performance and longevity. With this kit, car owners can conveniently and confidently replace their timing belt and related components, avoiding potential engine damage and costly repairs.