Prestone Command® Heavy Duty Nitrite Free Extended Life Coolant (ELC) with Cor-Guard® Antifreeze/Coolant

1,000,000 MILE / 20,000 HOUR SERVICE LIFE*

•  Cor-Guard™ Increases Uptime

•  Extended Life Coolant (ELC)

•  NON-2EH (OAT) Formulation

•  1,000,000 miles or 20,000 hours of service life

•  Meets or exceeds all HD OEM performance requirements

•  Eliminates the need to add supplemental coolant additives or use a SCA charged coolant filter

The ONLY HD coolant with this patented technology available in the market.

Prestone Command Heavy Duty Nitrite Free ELC with Cor-Guard® Concentrate and 50/50 Antifreeze/Coolant is intended for use and compatible with ANY nitrite free HD Organic Acid Technology (OAT) coolant in ANY diesel-powered commercial vehicle engine or stationary engine with aluminum or other engine metals. Its patented and advanced nitrite free OAT formulation is based upon a concentrated blend of premium long-lasting inhibitors designed to provide up to 1,000,000 miles / 20,000 hours* of protection against temperature extremes, rust, cavitation corrosion, scale and premature water pump failure. When used as directed, Prestone Command HD Nitrite Free ELC with Cor-Guard may be added to any OAT antifreeze/coolant of any HD commercial or stationary engine. Meets or exceeds the performance requirements for all HD OEMs, including Cummins, Detroit Diesel, Navistar and PACCAR.

*Provides Extended Life protection that meets the vehicles manufacturer recommended change intervals for all on-highway truck classes, including up to 1,000,000 mile intervals for Class 8 vehicles, when properly flushed, filled and maintained using only Prestone Heavy Duty Nitrite Free Coolant with Cor-Guard corrosion inhibitor.

Why Use Cor-Guard?

Featuring one-of-a-kind patented technology, Cor-Guard is formulated to work in unison with today’s hotter running engine designs and CAB heat exchangers. Prestone with Cor-Guard ensures that all components within the cooling system are able to perform their function properly, creating optimal cooling and more consistent UPTIME!

•  Cor-Guard™ Increases Uptime

•  Extended Life Coolant (ELC)

•  NON-2EH (OAT) Formulation

•  1,000,000 miles or 20,000 hours of service life

•  Meets or exceeds all HD OEM performance requirements

•  Eliminates the need to add supplemental coolant additives or use a SCA charged coolant filter

General Specs