K-Seal Multi-Purpose One Step Permanent Coolant Leak Repair 8oz Bottle

K-Seal Permanent Coolant Leak Repair will repair leaks in the Radiator . Head Gasket . Cylinder Heads . Engine Blocks . Heater Core and Water Pump Casing/Freeze Plugs. Suitable for all water-based cooling systems. Mixes with all types of anti-freeze and coolant. No draining or flushing needed before or after use. K-Seal will work on any hard plastic or metal . including Aluminum.