K-Seal HDK-Seal HD Permanent Coolant Leak Repair

Can that workshop repair and vehicle downtime be avoided?

The solution could be in the big blue bottle.

With over 1 million bottles sold in the UK alone, K-Seal HD permanent coolant repair is the brand that motor stockists recommend with confidence to their customers with buses, coaches and HGVs.  Why?


For further details please visit our website dedicated to K-Seal here:


K-Seal HD:

  • 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.

K-Seal HD can be used in the workshop, on the road or on site so your vehicle can be put back into service almost immediately, avoiding expensive downtime.  Always have a bottle on standby for every vehicle!

 Here’s some unedited feedback about K-Seal HD:

Having seen the results we are very impressed with this product.”  Commercial Vehicle Workshop Magazine

“Your rep send me a sample of K-Seal HD.  It was b****y fantastic.”

“K-Seal HD repaired the leak in the water pump of my Classic Ford Coach.  No downtime.  Extremely pleased with the result.”

Find your nearest stockist now Got a question about K-Seal HD? Contact us.