As an Amazon Associate I earn from qualifying purchases.





Fixes blown head gaskets, cracked heads and blocks. If product did not seal head gasket leak, the system might be Over-pressurized, which causes back pressure and doesn't allow the product to reach the problem area, on this page below under Technical Specification is a PDF Guide with instructions to follow to complete the repair successfully.



1. STEEL SEAL
#ad
8 Cylinder, Steel Seal Blown Head Gasket Fix Repair Sealer
#adSTEEL SEAL #ad - Used for 8 Cylinder Engines. Used by thousands of repair shops nationwide. Do-it-yourself Pour in Head Gasket Fix. Permanently seals a crack in the head gasket. Backed with a 100% Money-Back Guarantee.More information #ad
Brand | STEEL SEAL #ad |
Manufacturer | Steel Seal #ad |
Part Number | 8CYL001 |
More information #ad
2. Bar's Leaks
#ad
Bar's Leak HG-1 HEAD SEAL Blown Head Gasket Repair
#adBar's Leaks #ad - Repairs blown Head And Intake Gasket Leaks. Seals cracked Cylinder Heads And Blocks. Fixes leaking Freeze And Core Plugs. Stops heater Core And Radiator Leaks.More information #ad
Brand | Bar's Leaks #ad |
Manufacturer | Bar's Leaks #ad |
Height | 3.22 Inches |
Length | 9.78 Inches |
Weight | 2.65 Pounds |
Width | 3.22 Inches |
Part Number | HG-1 |
Model | HG-1 |
Warranty | Manufacturer Warranty |
More information #ad
3. BlueDevil Products
#ad
BlueDevil Head Gasket Sealer 38386
#adBlueDevil Products #ad - Alternative solution for costly and time consuming repairs. Permanent Repair. Good for head gaskets, Warped or Cracked Heads, heater Cores, and Freeze Plugs. Safe and easy to use. Contains no solid or particulate matter that can harm a vehicles engine.More information #ad
Brand | BlueDevil Products #ad |
Manufacturer | BlueDevil Products #ad |
Weight | 2.87 Pounds |
Part Number | 38386 |
Model | 38386 |
More information #ad
4. KALIMEX LTD
#ad
K-Seal ST5501 Multi Purpose One Step Permanent Coolant Leak Repair, Blue
#adKALIMEX LTD #ad - Fixes cracks and leaks in radiator, head Gasket, Cylinder Heads, Freeze Plugs, heater core, Water Pump Casing And Engine Blocks. Mixes with All Antifreeze. Permanent coolant leak Repair - Just Shake, Pour And Go. No draining Or Flushing.More information #ad
Brand | KALIMEX LTD #ad |
Manufacturer | K-Seal #ad |
Height | 6 Inches |
Length | 7.87 Inches |
Weight | 0.6 Pounds |
Width | 2 Inches |
Part Number | ST5501 |
Model | ST5501 |
Warranty | When K-Seal makes a repair we guarantee it will be permanent |
More information #ad
5. Bar's Leaks
#ad
Bar's Leaks Block Seal Head Gasket Fix
#adBar's Leaks #ad - Contains a combination of antifreeze compatible sodium silicate sealing liquid and various size gasket sealing particles which penetrate gaps & cracks and harden to permanently stop leaks. Repairs blown head gaskets. Stops block leaks. Seals cracked cylinder heads and blocks.More information #ad
Brand | Bar's Leaks #ad |
Manufacturer | Bar's Leaks #ad |
Height | 2.5 Inches |
Length | 9.5 Inches |
Weight | 1.5 Pounds |
Width | 2.6 Inches |
Part Number | 1111 |
Model | 1111 |
Warranty | 1 year manufacturer |
More information #ad
6. KALIMEX LTD
#ad
K-Seal ST3501 Pour and Go Permanent Head Gasket and Block Repair
#adKALIMEX LTD #ad - Just pour & go – no need for expensive head Gasket Repairs - The Safe and Easy Way to Fix a Coolant Leak. A permanent repair, guaranteed for the lifetime of the engine.Fixes blown head gaskets, cracked heads and blocks. If product did not seal head gasket leak, the system might be Over-pressurized, which causes back pressure and doesn't allow the product to reach the problem area, on this page below under Technical Specification is a PDF Guide with instructions to follow to complete the repair successfully.
More information #ad
Scientifically tested - k-seal is the only product to have been successfully tested by the equipment at Brighton University and classes as meeting the demands of ASTM D3147.Brand | KALIMEX LTD #ad |
Manufacturer | Solv-TecA #ad |
Height | 8 Inches |
Length | 2.5 Inches |
Weight | 1 Pounds |
Width | 2.5 Inches |
Part Number | KSLST3501 |
Model | KSLST3501 |
Warranty | Lifetime warranty does not cover abuse |
More information #ad
7. K&W
#ad
K&W 401224 FiberLock Head Gasket & Block Repair, 32 Fl Oz
#adK&W #ad - Cool-x conditioner – lowers operating temperature as it circulates through cooling system. ". Easy pour and go formula! Permanently fixes head gaskets, cooling systems, engine blocks, and cylinder heads. Military-strength fibers create multi-layer repair over cracks with a web-like weave.More information #ad
Nanotechnology permanently fixes the smallest cracks and crevices. Works with all antifreeze or plain water. Seals larger holes with less fluid loss than competitive products as proven by lab test ASTM D6107. Contains 3 unique technologies.Brand | K&W #ad |
Manufacturer | CRC #ad |
Height | 9.54 Inches |
Length | 3.4 Inches |
Width | 3.4 Inches |
Part Number | 401224-6 |
Model | 401224-6 |
Warranty | 2 year manufacturer |
More information #ad
8. Bar's Leaks
#ad
20 oz., Bar's Leaks 1100 Head Gasket Repair
#adBar's Leaks #ad - Repairs blown head gaskets. Dual action 2 part formula — liquid ceramic: liquid penetrates large and small leaks to form a seal actually harder than the original head gasket — REINFORCED FIBERS: Fiber additives lock together with liquid to increase strength and promote a permanent seal.More information #ad
Seals cracked cylinder heads and blocks. Head gasket sealant is not compatible with antifreeze and must only be added to the cooling system after ALL ANTIFREEZE has been flushed and removed. Included components: Unit, Instruction Guide. Stops block leaks.Brand | Bar's Leaks #ad |
Manufacturer | Bar's Leaks #ad |
Height | 8.3 Inches |
Length | 1.8 Inches |
Weight | 1.41 Pounds |
Width | 3.4 Inches |
Part Number | 1100 |
Model | 1100 |
Warranty | 1 year manufacturer |
More information #ad
9. Blue Magic
#ad
22.8 oz., Blue Magic 1116 Liquid Glass Metallic Seal-Up
#adBlue Magic #ad - Liquid glass and copper formula. Forms permanent copper-ceramic seal. Seal withstands up to 2000 degrees Fahrenheit. Permanent cooling system sealer.More information #ad
Brand | Blue Magic #ad |
Manufacturer | Blue Magic #ad |
Height | 7.2 Inches |
Length | 2.7 Inches |
Width | 2.7 Inches |
Part Number | 1116 |
Model | 1116 |
More information #ad