The Genuine VW / Audi Timing Belt Kit - 178641 is a comprehensive set of products designed for the maintenance and replacement of a timing belt in a Volkswagen or Audi car. The kit includes various components necessary for a complete timing belt replacement, ensuring optimal performance and reliability of the vehicle's engine.

The contents of the kit include a timing belt, tensioner, idler pulley, water pump, gasket, and various other small parts. These components are essential for the proper functioning of the timing belt system, which is responsible for synchronizing the rotation of the engine's camshaft and crankshaft.

The timing belt is a crucial part of the engine and must be replaced at regular intervals to prevent potential damage and costly repairs. The tensioner and idler pulley help maintain the correct tension and alignment of the timing belt, while the water pump ensures proper cooling of the engine. The gasket helps to create a tight seal between the water pump and the engine, preventing leaks and maintaining engine efficiency.

Overall, the Genuine VW / Audi Timing Belt Kit - 178641 provides all the necessary components for a complete and thorough timing belt replacement, ensuring the smooth and reliable operation of your Volkswagen or Audi vehicle.