Zerex Heavy Duty Nitrite Free Extended Life Antifreeze/Coolant from Valvoline is formulated with next-generation chemistry to meet the extreme demands of todays heavy-duty diesel engines. Cummins, DDC, International, Paccar, Volvo and Ford trucks require a nitrite-free ELC solution including ACERT and EGR technologies. This antifreeze/coolant can also be used in gasoline engines, stationary power, marine, natural gas and light duty applications. Plus, this silicate, amine and borate-free formula helps safeguard cylinder liners and water pumps by protecting their internal surfaces from pitting and corrosion, too. When it comes to protecting and prolonging the performance of your heavy-duty engine, trust Zerex for the long haul.