API Service SN. With deposit shield. Extreme wear protection. Protect precious metal. Advanced deposit control provides extra protection for a cleaner, smoother running engine. Excellent wear protection contributes to long engine life. Excellent high temperature control helps maintain engine oil performance between drains. Recommended for automobile and light truck gasoline engines specifying API SN and SAE 10W-40. Emergency phone number 1-800-231-0623. For Consumer Information: 1-800-526-3013. www.havoline.com. Made in USA.