K2 STOP LEAK 20 g - Coolant powder sealant

Additive (powder) for radiator seal. Aluminum powder preparation suitable for permanent sealing of stacks, cracks and leaks in the cooling system, cooler, cylinder head and engine block. Usable with all cooling fluids, including antifreeze mixtures. It does not form sludges and sediments that would clog the system. Prevents internal corrosion and lubricates the water pump. Ampoule content is sufficient to treat 20 to 25 liters of liquid.