Antifreeze Coolant, Coolant Type OAT, Series Extender Coolant Additive, Container Type Bottle, Container Size 1 qt, Concentration Type Pre-Diluted 50/50, Base Formulation Ethylene Glycol, Color Red, Lifetime Rating 3 yr, Mileage Rating 300,000 mi, Boiling Point 330 Degrees F, Biodegradable Not Biodegradable, Silicate-Free Contains Silicate, Standards ASTM, SAE, Compatible Engine Type Diesel Engines, Compatible Vehicle Type Diesel Trucks