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. Contains 30 – 50 ppm of denatonium benzoate as a bittering agent