Liqui moly 3330 radiator sealant 150ml liqui moly 3330 p align left this radiator sealant 150ml from liqui moly is a fast acting liquid which seals small leaks or porous solder joints and hairline cracks in the coolant system suitable for all coolant water and heating systems with or without water filters compatible with all commonly used cooling water modifiers and anti freezes and can also be used for aluminium and plastic radiators p liqui moly 3330 radiator sealant 150ml