Zerex Extended Life Red Heavy Duty (HD) 50/50 Prediluted Ready-to-Use Antifreeze/Coolant 1 GA
- HEAVY DUTY FORMULA to meet the harsher demands of heavy-duty diesel engines such as Cummins, DDC, MACK, Navistar, Paccar and Volvo.
- ORGANIC ACID TECHNOLOGY RESISTS CORROSION, SCALE AND RUST to protect diesel engines and ensure your antifreeze flows and functions properly..
- PROTECTS ALL COOLING SYSTEM METALS INCLUDING ALUMINUM and won’t harm gaskets, hoses or original vehicle finish.
- PRE-MIXED RED SOLUTION IS READY-TO-USE and comes in a 50/50 ratio with deionized water.
- GUARANTEED PERFORMANCE FOR 3 YEARS/300,000 MILES/7,000 HOURS of operation on the initial fill to protect against engine failure caused by freeze-ups or boil-overs.