ACDelco dexos1 Synthetic Blend Motor Oil is specifically designed for GM vehicles. Engineered to improve engine cleanliness, engine performance and fuel efficiency, ACDelco dexos1 Synthetic Blend Motor Oils are composed of high-quality synthetic base stocks and exceptional additive technology. Appropriate for use in most domestic and foreign vehicles, ACDelco dexos1 Synthetic Blend Motor Oil is the General Motors factory fill and the required service fill for GM vehicles with gasoline engines beginning with the 2011 model year. Recommended for use in cars and light trucks with gasoline and gasoline turbocharged engines where API SN and all prior specifications are required.

• Meets the highest U.S. standards for automotive engine wear protection to provide top-of-the-line engine support
• Meets ILSAC GF-5 specifications to fulfill current energy-conserving performance standards
• Meets API SN Service Classification requirements to be suitable for use in modern engines
• Provides protection against high-temperature deposits to reduce engine wear and against viscosity breakdown for long oil life and drain intervals
• Protects against the formation of sludge and varnish deposits on engine parts to provide additional engine support even in demanding stop-and-go driving conditions