K-Seal permanent coolant leak repair is suitable to use with all makes and models and all types of water cooled engines. K-Seal will repair leaks in the head, head gasket, block, radiator, heater core, water pump casing and freeze plug. There is no need to drain or flush the cooling system and K-Seal is safe to add to all types of antifreeze available today. Specifically formulated for the Canadian market, K-Seal is freeze proof to -38F. K-Seal is available in Canada from FMSI.