Choosing the right coolant is essential to the long term protection of an engine cooling system. Valvoline works closely with the world’s leading vehicle manufacturers to understand the requirements of today’s engine technology. Valvoline coolants include those with Automaker Approved Chemistry™, which means the coolant chemistry is tested and proven to meet industry standards. Valvoline have a comprehensive range of coolant products featuring approved chemistries by many leading OEMs, providing the very best in cooling system protection. Valvoline’s coolants are available in Organic Acid Technology (OAT), Hybrid Organic Acid Technology (HOAT) and Si-Organic Acid Technology (Si-OAT) formulations.

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