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Free delivery on all our products which will take between 3-5 days. Next day delivery available. UK shipping only.

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12 months warranty

Quality comes first and our products are designed to last which is why we offer 12 months warranty.

Coolant Leak Repair 236ml - HWB Car Parts

Coolant Leak Repair 236ml

We wont be beaten on price! See our price promise here

K-Seal is specially formulated to permanently seal most cracks in the engine block and head. This unique product is guaranteed to mix with all types of glycol based coolant and antifreeze. K-Seal can also be used to seal holes and cracks in the head gasket, radiator, heater core, freeze plugs, water pump casing and other metal components of the cooling system in both petrol and diesel engines.

This product is eligible for free UK delivery. Next day delivery available from £5.99. Same day delivery and click & collect in Swansea. Please select which delivery option is right for you at checkout. Click here for delivery info. 

Not happy with your new item? No problem. Simply send it back to us within 30 days of your purchase for a full refund. Terms & conditions apply. 


  • Seals holes and cracks in the head gasket and radiator.
  • Can also permanently seal most cracks in the engine block and head.
  • Guaranteed to last the life of your engine.
  • Mixes with all types of Antifreeze & Coolant.
  • Can be used in both petrol and diesel cars.
  • Just shake, pour in and go!



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