CASTROL RADICOOL SI-OAT CONCENTRATE (20LTR) 3437791

Castrol Radicool is an engine coolant concentrate for year-round use in both petrol and diesel vehicles with aluminium or cast iron engines. This coolant can be diluted to 33 vol% concentration with purified water to give freeze protection down to -18°,C, or at a 50 vol% dilution to provide freeze protection down to -36°,C if required. To maintain optimum performance this product should be drained and replaced after 2 years.