• valvoline zerex dex cool antifreeze coolant

Valvoline Zerex DEX-COOL® antifreeze coolant is a patented carboxylate formulation for passenger cars and light trucks engineered to protect modern engines from winter freezing and summer boiling.

It incorporates state-of-art organic acid technology (OAT) in an ethylene glycol base for the protection of all cooling system metals including aluminum.

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