K-Seal Heavy Duty Permanent Coolant & Radiator Leak Repair 472ml.

For Commercial Vehicles.

Fixes most leaks in all types of water cooled engine including cracked heads, head gasket failures, cracked blocks, radiators, heater cores and water pumps.
A repair made with K-Seal HD is permanent, guaranteed for the lifetime of the engine.
Unlike inferior coolant products, K-Seal HD mixes with all types of antifreeze and coolant.  There’s no need to drain or flush the system before or after treatment.
K-Seal HD is easy to use.  Shake the bottle; add it to the cooling system and go.