Our powerful formula works seamlessly with all antifreeze, making it a universal fit type for all your needs. It works by forming a strong, flexible seal within the cooling system, effectively plugging leaks. Makes repairs on the head gasket, block, water pump casing, freeze plug, heater core and radiator.
K-Seal Coolant Leak Repair 236ml : Amazon.co.uk: Automotive
K seal coolant leak repair is a unique formula designed to seal leaks in the radiator, head gasket, heater core, freeze plug or water pump casing
It works by bonding with the metal surfaces of the engine to create a permanent seal without clogging or harming the cooling system.