The Genuine VW / Audi Drive Belt Kit - 178167 is a comprehensive kit of products designed for the maintenance of a car's drive belt system. It includes various components that are essential for ensuring the proper functioning of the drive belt, which is responsible for transferring power from the engine to other parts of the vehicle. The kit contains a tensioner, idler pulley, and drive belt, all of which are crucial for keeping the drive belt in good condition and preventing it from slipping or breaking. This kit is specifically designed for use in VW and Audi vehicles, but can also be used in other cars with similar drive belt systems. With this kit, car owners can easily replace worn or damaged drive belt components and ensure the smooth and efficient operation of their vehicle.