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Steel Seal is a simple pour-in solution to fix blown head gaskets with a complete lifetime money back guarantee

Now compatible with all types of antifreeze and any vehicle with a water cooled system.

Steel Seal will fix and repair:

  • Blown Head Gaskets
  • All Types of Head Gasket Failure
  • Warped Cylinder Head
  • Cracked Blocks
  • Dropped Liners

Steel Seal will work on all vehicles: cars, bikes, vans, pickups, 4x4s, tractors, lorries and boats.

How Many Bottles Of Steel Seal Do I Need?:

Vehicles up to 2.5 Litres in Engine size will require just 1 bottle, 2.5 to 4.0 litre engines will require 2 bottles and engines over 4.0 litres will require 3 bottles. 

Lifetime Money Back Guarantee

If Steel Seal blown head gasket repair is used on a vehicle with a blown head gasket and has not worked, we are more than happy to provide a full refund of receipt value to a maximum of the RRP as displayed on our website or a one-time replacement bottle. All you need to do is simply provide us with:

  • Proof of purchase of Steel Seal from an authorised stockist as listed on our website
  • A statement from a VAT registered garage that via compression or gas test that your vehicle definitely has a blown head gasket or confirmation that the vehicle has been scrapped or an invoice showing that a mechanical head gasket repair has subsequently been carried out
  • The registration number of vehicle


  • Only 1 refund per vehicle
  • The recommended amount of Steel Seal must have been used up to a maximum of 3 bottles.

Still not convinced? Click here to read over 16 pages of Steel Seal reviews


Product Code: SS

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