Valvoline™ ZEREX™ G05® 50/50 Antifreeze Coolant

ZEREX™ G05® 50/50 Antifreeze Coolant is designed for newer Ford, Chrysler, and Mercedes-Benz vehicles, suitable for both gasoline and diesel engines. It claims to protect against corrosion, leaks, deposits, freezing, and boiling, which are major causes of engine failure.

• The description claims that ZEREX™ G05® 50/50 Antifreeze Coolant protects against corrosion, leaking, deposits, freezing, and boiling, which are the four main causes of cooling system failure.
• The description claims that ZEREX™ G05® 50/50 Antifreeze Coolant is made with Hybrid Organic Acid Technology (HOAT) and protects all cooling system metals, including aluminum.