Coolant Leak Sealer Amazon Com K Seal St5516 Heavy Duty Multi Purpose One Step Permanent

Our powerful formula works seamlessly with all antifreeze, making it a universal fit type for all your needs. It quickly and permanently seals leaks in the radiator, head gasket, freeze plugs, engine block, and water pump.

It permanently repairs leaks in the head gasket, block, radiator, heater core, freeze plug and water pump casing This comprehensive guide covers effective solutions, key ingredients, and trusted recommendations to quickly seal leaks and prevent costly engine damage. Makes repairs on the head gasket, block, water pump casing, freeze plug, heater core and radiator.

K-Seal ST5516 Radiator Sealer, Antifreeze Cooling System Engine Sealant

Safe for use in both gasoline and diesel engines, bluedevil coolant stop leak is compatible with all types of antifreeze, making it a trusted choice for how to fix a coolant leak.