Prestone Extended Life Antifreeze is compatible with any antifreeze/coolant, regardless of color. For use in all makes and models of cars and light duty trucks, this patented formula provides a high degree of performance durability and carefully balanced protection against temperature extremes and rust corrosion of all cooling system metals, including aluminum. Fortified with the new, patented Cor-Guard improved extended life technology, Prestone Antifreeze helps keep your cooling system running more efficiently. Keep your entire cooling system, including your radiator and water pump, free from the damaging effects of worn-out antifreeze. Good for 5 years or 150,000 miles, this antifreeze meets or exceeds ASTM D3306 and D4985 for corrosion protection.