Regular price $230.00

Castrol Radicool Si-OAT Premix is a ready to use engine coolant and antifreeze. It is a nitrite, amine and phosphate free antifreeze coolant with added silicate for the latest vehicles requiring silicate containing OAT technology. Radicool Si-OAT Premix is both antifreeze and coolant and offers excellent corrosion protection to all metal parts found in the cooling systems of internal combustion engines
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