The Liqui Moly 5W40 Oil Change Kit - 480680 is a comprehensive kit designed for servicing a car's engine oil. It includes three essential products that are necessary for a complete oil change. The first product is a 5W40 motor oil, which is a high-quality oil that is suitable for most cars and provides excellent protection and lubrication for the engine. The second product is an oil filter, which is responsible for removing impurities and contaminants from the oil, ensuring that the engine runs smoothly. Lastly, the kit also includes a drain plug, which is used to drain the old oil from the car's engine. This complete kit provides all the necessary components for a thorough and efficient oil change, ensuring the optimal performance of the car's engine.