Prestone Antifreeze Coolant, 1 gal., Plastic Bottle, Dilution Ratio : 50/50, -36° Freezing Point (F)

Prestone Command® Heavy-Duty Extended Life Antifreeze/Coolant (ELC) is intended for use with any NOAT (nitrited organic acid technology) formula, heavy-duty ELC in diesel-powered commercial vehicle engines or stationary engines, with aluminum and other engine metals. It is designed to help protect hard-working engines in demanding conditions for a service life up to 600,000 miles or 12,000 hours, when an extender is added at 300,000 mi./6000 hr. (Mfr. model HD300 extender sold separately.) This Command® antifreeze/coolant is formulated to help protect engines and cooling systems on heavy-duty, on- and off-road vehicles in tough settings and environments, including extreme cold and heat. The heavy-duty cooling system formula is a proprietary blend with premium, long-lasting inhibitors.