Mobil Super™ 3000 Formula D1 5W-30 is a full synthetic high-performance motor oil, which provides excellent high temperature protection even under severe operating conditions. The oil is designed to help provide long engine life and outstanding protection in vehicles of all ages, outperforming our conventional-synthetic blended products. It provides outstanding protection against sludge, engine rust and corrosion under severe and low-temperature operating conditions and provide optimum viscosity and fluidity across a broad range of temperatures. Mobil Super 3000 Formula D1 5W-30 is classified by The American Petroleum Institute (API) as "Resource Conserving" engine lubricants and meet or exceed ILSAC GF-5. Those claims are backward compatible with earlier performance levels such as API SM, SL, and SJ and previous ILSAC categories.