APPROVED SI-OAT COOLANT FOR HEAVY DUTY TRUCKS, BUSES AND OFF-ROAD APPLICATIONS.

Valvoline ZEREX G40® is an official GLYSANTIN® based premium grade coolant developed with hybrid carboxylate formulation to provide extended life service and protect engine components from winter freezing and summer boiling. It incorporates state-of-the-art organic acid technology in an ethylene glycol base for protection of all cooling system metals including aluminum. Valvoline ZEREX G40® contains no phosphates, imidazol, borates, nitrates, amines or nitrites and is approved by numerous leading engine manufacturers. Available in Ready-to-Use and Concentrate.*


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