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. Our patented Organic Acid Technology (OAT) formula helps extend the longevity of your engine by protecting internal parts from cavitation and hard-water scale deposits while preventing freezing and boil-overs. 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. And its guaranteed to perform for up to 10 years, 1,000,000 miles and 20,000 hours of operation with no supplemental coolant additives required when used in conformity with package and label instructions and specifications. When it comes to protecting and prolonging the performance of your heavy-duty engine, trust Zerex for the long haul.