6 Year 350,000 km is a magenta coloured, Original Equipment Manufacturer (OEM) warranty, 6 Year / 350,000 kilometre Silicate-Organic Acid Technology (Si-OAT), ethylene glycol Type A anti-freeze/anti-boil coolant. It combines the advantages of silicate based Hybrid and silicate free OAT coolants. It provides a stable, extended long life inhibitor formulation that prevents rust, corrosion, cavitation and degradation of the cooling system.