The Genuine VW / Audi Oil Change Kit 5W-40 - 178529 is a comprehensive kit designed for changing the oil in a car. It includes three essential products that are necessary for a proper oil change: an oil filter, an oil drain plug, and the recommended type of oil. The oil filter is a crucial component in keeping the engine clean and free of debris, while the oil drain plug allows for easy removal of old oil. The kit also includes the recommended 5W-40 oil, which is specifically formulated for use in VW and Audi vehicles. This kit is a convenient and reliable option for maintaining the health and performance of your car's engine.