This LIQUI MOLY engine oil additive is designed to improve the overall performance and longevity of your engine. It works by reducing internal friction, which leads to a smoother running engine and can contribute to improved fuel efficiency. The advanced formula helps to protect vital engine components from wear and tear, especially during critical startup phases and under high stress conditions. Regular use can help maintain engine cleanliness by preventing the formation of harmful deposits. Suitable for all types of gasoline and diesel engines with or without a particulate filter. Can be mixed with all commercially available engine oils.