The Genuine VW / Audi Timing Belt Kit - 178648 is a comprehensive kit of products designed for maintenance and replacement of the timing belt in a Volkswagen or Audi car. The kit includes 11 different components, each carefully selected to ensure optimal performance and compatibility with the specific make and model of the car. These components include a timing belt, tensioner, idler pulley, water pump, gaskets, and seals. The kit also includes other necessary hardware and accessories for proper installation. This kit is a reliable and convenient option for car owners looking to replace their timing belt and ensure the smooth operation of their vehicle.