New

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

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 and Detroit Diesel.

*Provides Extended Life protection that meets the vehicles manufacturer recommended change intervals for all DOT Truck Classes, including up to 1,000,000 miles 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!

  • Improved general surface corrosion/erosion
    • Instantly layers and bonds to cooling system components
    • Seeks out hot spots and stops the spread of corrosion
    • Prevents cab brazing Issues with nitrite free formulation
  • Improved cavitation corrosion
  • Improved elastomer compatibility
  • Improved overall coolant performance and formula stability extending protection
  • Improved service life to a true 1,000,000 miles or 20,000 hours with a complete flush and fill

General Description

CompositionTypical Values
Ethylene Glycol and Inhibitors:
Concentrate98%
50 vol %51%
Water:
Concentrate2.0%
50 vol %49%
DyesTrace
ColorRed
OdorCharacteristic
Pack/UnitJug / Drum / Tote
Average Fluid Weight/Unitat 68°F (20°C):
Concentrate9.3 lb (4.2 kg) / gal (3.78 L)
50 vol %8.9 lb (4.0 kg) / gal (3.78 L)
Features & Benefits
  • Most technologically-advanced heavy duty antifreeze available
  • Provides superior state-of-the-art corrosion protection
  • Nitrite free HD Organic Acid Technology (OAT)
  • Starts working immediately
  • Elevated performance over the lifetime of the engine
  • Increases uptime and helps avoid costly repairs
  • 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
Inquire About Purchasing