The Liqui Moly Oil Change Kit (5W40) - 137356 is a comprehensive kit of products designed for a car oil change. It includes five different items, each serving a specific purpose in the oil change process. The kit contains an oil filter, an oil drain plug gasket, an engine oil, an engine oil additive, and a fuel system cleaner. The oil filter is used to remove impurities and contaminants from the engine oil, while the oil drain plug gasket ensures a tight seal to prevent any leaks. The engine oil is a high-quality 5W40 oil, suitable for most vehicles, providing excellent lubrication and protection for the engine. The engine oil additive is designed to improve the performance and longevity of the engine oil, while the fuel system cleaner helps to remove any deposits and improve fuel efficiency. This kit is a convenient and cost-effective solution for maintaining the health of a car's engine.