The Genuine VW / Audi Haldex Service Kit - 178364 is a comprehensive kit of products designed for servicing a car's Haldex system. This kit includes various components that are necessary for maintaining and optimizing the performance of the Haldex system, which is a type of all-wheel drive system commonly used in VW and Audi vehicles. The kit includes a filter, gasket, and oil for the Haldex pump, as well as a drain plug and seal for the differential. It also includes a torque wrench and an Allen key for proper installation. This kit is specifically designed for VW and Audi vehicles and is a reliable choice for keeping the Haldex system in top condition.