The Liqui Moly Oil Change Kit is a comprehensive set of products designed for a car's oil change. The kit includes four essential items: an oil filter, an oil drain plug, an oil drain plug gasket, and a 5W40 oil. These products work together to ensure a smooth and efficient oil change process for the car. The oil filter helps to remove impurities and contaminants from the oil, while the oil drain plug and gasket provide a secure seal for the oil drain. The 5W40 oil is a high-quality, multi-grade oil that is suitable for a wide range of vehicles. This kit is a convenient and cost-effective solution for maintaining the health and performance of a car's engine.