The simple to use and permanent cooling system repair GUARANTEED to last for the life of your engine!
Repairs most leaks in the engine block or cooling system.
Just shake, pour in and go! One bottle for any capacity cooling system.
K-Seal is specially formulated to permanently seal most cracks in the engine block and head. This unique product is guaranteed to mix with all types of glycol based coolant and antifreeze. K-Seal can also be used to seal holes and cracks in the head gasket, radiator, heater core, freeze plugs, water pump casing and other metal components of the cooling system in both petrol and diesel engines.