The Liqui Moly Oil Change Kit 5W-40 - 485767 is a comprehensive package of products designed to facilitate an oil change for a car. The kit includes three essential components: an oil filter, an engine oil, and an oil drain plug. These items are crucial for maintaining the proper functioning of a car's engine and ensuring its longevity. The oil filter is responsible for removing impurities and contaminants from the engine oil, while the engine oil provides lubrication for the engine's moving parts. The oil drain plug allows for easy and efficient drainage of the old oil during the oil change process. This kit is suitable for all cars that require 5W-40 engine oil and is a convenient and cost-effective solution for regular oil changes.