Product SummaryZerex Heavy Duty Extended Life Antifreeze/Coolant from Valvoline:
- is formulated to meet the harsher demands of heavy-duty diesel engines such as Cummins, DDC, MACK, Navistar, Paccar and Volvo.
- can also be used in gasoline engines, stationary power, marine, natural gas and light duty applications.
- With Organic Acid Technology (OAT), it is charged with special inhibitors to help extend the longevity of your engine by protecting internal parts from pitting, cavitation, corrosion and hard-water scale deposits.
- is developed with the highest-quality virgin ethylene glycol, and is able to prevent freezes and boil-overs.
- is guaranteed to perform for up to 3 years, 30,000 miles or 7,000 hours of operation with no supplemental coolant additives required when used in conformity with package and label instructions and specifications.