K-Seal permanently seals leaks in the head gasket, block, radiator, heater matrix and water pump—providing a fast, reliable repair without dismantling. Scientifically tested and trusted by professionals, it’s the only leak repair fluid carried by the AA. Simply pour into the coolant system and run the engine; the formula finds and seals cracks with no impact on cooling efficiency.
Permanently seals leaks in all water-cooled engines
Fixes head gasket, block, radiator, heater matrix & pump leaks
Guaranteed for the lifetime of the engine
Scientifically tested & trusted by professionals
Simple “pour & go” application
Product Code: KSEAL
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