Protecton Radiator stop leak repairs and protects the coolant system of the car. Stop Leak provides a fast and effective solution for coolant leaks. Quickly finds radiator leaks and permanently seals them, gives the system optimum cooling capacity and prevents malfunctions.

Protecton radiator stop leak is harmless for rubber hoses, gaskets and liquid gasket. The capacity of 300 ml is sufficient for a cooling system of up to 25 liters.