Prestone Command Heavy Duty Extended Life Antifreeze/Coolant
Prestone Command Heavy Duty Extended Life Antifreeze/Coolant (ELC) is intended for use and compatibility with ANY Extended Life heavy duty
antifreeze/coolant in ANY diesel powered commercial vehicle engine or stationary engine with aluminum or other engine metals. Its patented technologically advanced formulation is based upon a concentrated
blend of premium long-lasting inhibitors designed to provide up to 600,000 miles / 12,000 hours* of protection against temperature extremes, rust, corrosion, scale and premature water pump failure. When used as directed,
Prestone Command® Heavy Duty ELC is compatible with any Extended Life antifreeze/coolant of any heavy duty commercial or stationary engine. Provides a silicate, phosphate and borate-free formulation for long lasting
inhibition and corrosion protection. Protects aluminum and all other engine metals.
*Requires Additional Extender at 300,000 miles or 6,000 hours