STP all global extended life anti-freeze/coolant is an advanced formulation that meets or exceeds ASTM requirements. This premium ethylene glycol-based engine coolant is free of borates, nitrites, silicates and amines. It protects all cooling system metals including aluminum, as well as rubber hoses, gaskets and plastics. Recommended for initial fill or top-off in all makes and models of foreign and domestic cars and light duty trucks.
