• Zerex G-40 RTU Coolant

ZEREX™ G-40® antifreeze coolant is a premium automotive coolant developed by BASF SE and Valvoline. ZEREX G-40 is a nitrite-free, phosphate-free, premium Si-Organic Acid Technology (Si-OAT) formula providing long-life protection for various vehicles. ZEREX G-40 contains no phosphates, imidazole, borates, nitrates, amines or nitrites.

Valvoline recommends you refer to your vehicle owner's manual for correct antifreeze/coolant specifications.