Steel Seal Head Gasket Repair
Steel Seal Head Gasket Repair – 473ml
Permanent Cooling System Leak & Head Gasket Repair Solution
Steel Seal is a multi-award-winning engine repair treatment designed to seal leaking head gaskets, cracked cylinder heads, heater matrix leaks, and other cooling system-related issues without the need for costly engine strip-downs. Trusted by professional mechanics and vehicle owners worldwide, Steel Seal provides a simple, effective solution that can save thousands in repair costs.
Compatible with most petrol and diesel engines, Steel Seal works by circulating through the cooling system and permanently sealing cracks and leaks when exposed to the heat of the engine. It is safe to leave in the system and is compatible with standard antifreeze and water-based cooling systems.
Key Features
✅ Repairs leaking head gaskets
✅ Helps seal cracked cylinder heads and engine blocks
✅ Effective on heater matrix and cooling system leaks
✅ Simple pour-in application – no specialist tools required
✅ Compatible with standard antifreeze and coolant systems
✅ Safe to remain in the cooling system after treatment
✅ Suitable for petrol and diesel vehicles
✅ Professional-grade formula trusted by mechanics
How It Works
Steel Seal is added directly to the radiator or expansion tank (where applicable). Once the engine reaches operating temperature, the product circulates through the cooling system and bonds at the leak point, creating a durable seal designed to withstand normal engine operating conditions.
Application Guide
Engines up to 2.5L – 1 bottle
Engines up to 4.0L – 2 bottles
Engines over 4.0L – 3 bottles
Specifications
Brand: Steel Seal
Bottle Size: 473ml (16oz)
Part Number: SS
Suitable For: Petrol & Diesel Engines
Cooling System Compatible: Yes
Country of Manufacture: United Kingdom
Ideal For
Head gasket failures
Cooling system pressure loss
Unexplained coolant loss
White exhaust smoke caused by coolant ingress
Minor cylinder head and engine block cracks
Heater matrix leaks
Restore performance, reduce repair costs, and get back on the road with Steel Seal – the trusted engine repair solution used by professionals and DIY mechanics alike.