Antifreeze and coolants role in maintaining maximum engine performance is extremely important. The life of an engine, particularly high performance diesel engines, can be shortened or suffer damage, by not using the right antifreeze/coolant and not maintaining the correct levels in the cooling system. Castrol’s antifreeze/coolant range includes the approved and latest technology products offering outstanding protection and longer engine life.
CASTROL RADICOOL SI-OAT
A nitrite, amine and phosphate free antifreeze coolant with added silicate for the latest vehicles requiring silicate containing OAT technology. Aqueous solutions of Castrol Radicool Si-OAT act as both antifreeze and coolant and offer excellent corrosion protection to all metal parts found in the cooling systems of internal combustion engines.