The Genuine VW / Audi Oil Change Kit 5W-40 - 178531 is a comprehensive kit of products designed specifically for cars made by Volkswagen and Audi. It includes all the necessary components to perform an oil change on these vehicles. The kit contains three main items: an oil filter, an oil drain plug, and a set of five quarts of 5W-40 motor oil. The oil filter is responsible for removing impurities and contaminants from the engine oil, ensuring that the engine runs smoothly and efficiently. The oil drain plug is used to drain the old oil from the engine, making space for the new oil. Finally, the 5W-40 motor oil is a high-quality, synthetic oil that is recommended for use in Volkswagen and Audi vehicles. It provides excellent lubrication and protection for the engine, helping to prolong its lifespan and maintain its performance. This kit is a convenient and reliable option for car owners who want to perform an oil change themselves, using genuine and compatible products.