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Prestone Command® Nitrited Extended Life (ELC) antifreeze+coolant (ready to use) is designed to work with all Class 6-8 vehicles. When compared to ESI & low silicate conventional, it is designed to help lower maintenance costs and improve water pump life.
Formulated for Heavy Duty Vehicles Nitrited formula provides excellent protection for aluminum and all other engine metals Protects against liner pitting and corrosion protections. Service Life 750,000 miles/15,000 hours with use of extender at 300,000 miles or 6,000 hours Part #: PSN74050F