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Your cart is empty.Zerex Fully Formulated 50/50 Prediluted Ready-to-Use Antifreeze/Coolant from Valvoline is a complete ethylene glycol-based formulation designed to meet the harsher demands of heavy-duty diesel engines such as Cummins, DDC, MACK, Navistar and Paccar. Not to mention, it’s considered a universal engine coolant that meets the low-silicate formulation required by the heavy-duty trucking industry. Its low-silicate formula is pre-charged with advanced chemical inhibitors to help extend the longevity of your engine by protecting internal parts from pitting, cavitation, corrosion and scale deposits while preventing freezing and boil-overs. Plus, it includes a high-quality defoamer, so it won’t harm gaskets, hoses, plastics, or original vehicle finishes. It’s guaranteed to perform for up to 3 years, 150,000 miles or 3,000 hours of operation when used in conformity with package and label instructions and specifications. When it comes to protecting and prolonging the performance of your heavy-duty engine, trust Zerex for the long haul.
Ken
Reviewed in the United States on May 14, 2024
This was the recommended coolant for my 2004 RAV4 change the radiator and refilled with this and my car runs great and stays cool
Janet H.
Reviewed in the United States on April 10, 2024
Needed to replace THERMOSTAT, lost most of coolant… used most of the coolant, but not all..WORKS WELL
Sheila Greenway-Wilson
Reviewed in the United States on January 30, 2023
I filled the reservoir in my '99 Beetle and all of a sudden the heater worked again. I thought I needed a thermostat. I'm happy! Love that it's pink too. Not saying that this cures the need for a thermostat, but..it might if you're just trouble-shooting and your coolant is low. LOL
carlos placeres
Reviewed in the United States on April 18, 2023
Tacoma sr 2021
Jeff
Reviewed in the United States on August 21, 2022
Value for money
magicjake7
Reviewed in the United States on December 7, 2022
Product as described. Well packaged. Never had any issues with this coolant. Recommended by Jeep in owner's manual.
Lee
Reviewed in the United States on January 14, 2022
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