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Coolants

A Nitrite-Free Coolant for Heavy Duty

Prestone’s Command Heavy Duty Nitrite Free Extended Life Organic Acid Technology Antifreeze/Coolant offers protection for aluminum and all other engine metals against pitting and corrosion.

Maintaining Antifreeze/Coolant Will Help You Survive Extreme Winter Cold

The wrath of winter’s impact on heavy-duty diesel engines across North America has been thoroughly tested so far this year. For many of those stranded during the winter cold snap, it was decisions made about what to do (or what not to do) with their antifreeze/coolant systems that may have sealed their fate.

How Much Do You Know About Heavy-Duty Coolants?

n the emerging days of the heavy-duty industry, as liquid-cooled engines were being developed and heaters were added to allow winter driving, finding the right coolant could be as easy as taking a trip to your pantry. Coolant is a lot more complex today, and the more you know about it, the better you can help your customers.

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