Genuine Ford Fluid VC-5 Premium Concentrated Antifreeze/Coolant - 1 Gallon Fluorescent green-colored, conventional, ethylene glycol-based antifreeze/coolant for use in gasoline and diesel engines Provides year-round antifreeze, anti-boil and corrosion protection A 50/50 mixture of coolant and distilled water provides freeze protection down to -34F (-37C) and boiling protection up to 265F (129C) Do not mix different colors or types of coolant in your vehicle Contains a bittering agent