Valvoline™ ZEREX® G-05® HOAT antifreeze/coolant's low-silicate, low-pH, phosphate-free formula is designed to minimize inhibitor depletion and protect all cooling system metals, including aluminum, against rust and corrosion in gasoline- and diesel-fueled cars, light trucks, and heavy-duty vehicles. Meets European standards; approved by Daimler Chrysler for worldwide applications.• Light duty: 150,000 mi./5 yr. • Heavy duty: 300,000 mi./3 yr. Antifreeze Coolant, 1 gal., RTU