The Liqui Moly 5W30 Oil Change Kit - 480520 is a comprehensive set of products designed to facilitate an oil change for a car. The kit includes three main components: an oil filter, engine oil, and an oil drain plug. The oil filter is responsible for removing impurities and contaminants from the engine oil, ensuring that the oil remains clean and effective. The engine oil is a high-quality 5W30 oil that provides optimal lubrication and protection for the car's engine. The oil drain plug is used to drain the old oil from the engine during the oil change process. Together, these products help to maintain the performance and longevity of the car's engine.