The Genuine VW / Audi Water Pump / Thermostat Assembly Kit - 178751 is a comprehensive kit of products designed for car maintenance and repair. It includes all the necessary components to replace the water pump and thermostat assembly in a car, specifically for Volkswagen and Audi models. The kit contains various high-quality parts such as a water pump, thermostat, gaskets, and seals, all of which are essential for proper functioning of the car's cooling system. This kit is a cost-effective solution for those looking to replace these specific parts in their vehicle, as it includes all the necessary components in one package. It is a reliable and convenient option for car owners who want to ensure the optimal performance of their Volkswagen or Audi.