The Liqui Moly Oil Change Kit (0W40) - 137298 is a comprehensive kit designed to facilitate an oil change for a car. It includes three essential products: an oil filter, an oil drain plug, and a specific type of oil. The oil filter is responsible for removing impurities and debris 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 room for the new oil. The specific type of oil included in the kit, 0W40, is a high-quality, fully synthetic oil that provides superior protection and performance for the engine. Together, these products work to keep the car's engine running at its best and extend its lifespan. This kit is suitable for various car models and makes, making it a convenient and reliable option for regular oil changes.