Top 9 Bars Leak Head Gasket Sealer – Automotive Replacement Head Gasket Sets


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1. Bar's Leaks

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Bar's Leak HG-1 HEAD SEAL Blown Head Gasket Repair

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Bar's Leaks #ad - Seals cracked cylinder heads and blocks. Fixes leaking freeze and core plugs. Stops heater core and radiator leaks. Repairs blown head and intake gasket leaks.
BrandBar's Leaks #ad
ManufacturerBar's Leaks #ad
Height3.22 Inches
Length9.78 Inches
Weight2.65 Pounds
Width3.22 Inches
Part NumberHG-1
ModelHG-1
WarrantyManufacturer Warranty

2. Bar's Leaks

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Bar's Leaks 1111 Block Seal Permanent Head Gasket Fix 24 oz.

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Bar's Leaks #ad - Stops block leaks. Repairs blown head gaskets. Seals cracked cylinder heads and blocks. 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.
BrandBar's Leaks #ad
ManufacturerBar's Leaks #ad
Height2.5 Inches
Length9.5 Inches
Width2.6 Inches
Part Number1111
Model1111
Warranty1 year manufacturer

3. Bar's Leaks

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Bar's Leaks 1100 Head Gasket Repair, 20 oz.

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Bar's Leaks #ad - 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. Repairs blown head gaskets. 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. Stops block leaks.
BrandBar's Leaks #ad
ManufacturerBar's Leaks #ad
Height8.3 Inches
Length1.8 Inches
Weight1.41 Pounds
Width3.4 Inches
Part Number1100
Model1100
Warranty1 year manufacturer

4. K-Seal

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K-SEAL Ultimate Permanent Head Gasket Repair ST3501 16oz Multi-Purpose Formula Stop Leaks in the Head Gasket, Trade Trusted Stop Leak, Radiator & Heater Core. A True Pour & Go, Cracked/Porous Blocks

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K-Seal #ad - Save time/money. Us bestseller. Scientifically tested: safe, effective, the repair withstands the high pressure of the combustion chamber, our head gasket and block repair seals leaks up to 1/32 of an inch! Once cured, all without failing or clogging the cooling system.

Customer support: if our head gasket repair leak doesn’t seal your intake gasket, the system might be over-pressurized. Over 8 million bottles sold. Seals cracks and stops leaks: a diy alternative to costly repairs, leaking radiator, our head gasket fix permanently seals cracks and holes! Quickly repair your blocks, freeze plug, heater core and water pump casing with no adverse impact on efficiency. Repairs in minutes: permanently fix blown head gaskets, cracked heads and cracked/porous blocks including aluminum heads in old and new cars.

Check the technical Specification section of this page for extra instructions for a successful repair. The only head gasket and block sealant that is 3rd party tested to meet ASTM D3147. Pour and go: our head gasket sealer is easy to use just shake, it mixes with all types of antifreeze, add to your radiator/overflow and run the engine! Unlike some competitive products, absolutely no draining, flushing or pulling the thermostat required.
BrandK-Seal #ad
ManufacturerK-Seal #ad
Height8 Inches
Length2.5 Inches
Weight1 Pounds
Width2.5 Inches
Part NumberST3501ND
ModelKSLST3501
WarrantyLifetime warranty does not cover abuse

5. ENGINE REVIVE

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ENGINE REVIVE Hyper Seal Head Gasket Repair

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ENGINE REVIVE #ad - And the leak should stop, aluminum, cast iron, . Hyper-seal can be used in petrol or diesel engines and will seal leaks in all types of metal engines, steel and copper.
BrandENGINE REVIVE #ad
ManufacturerHI GEAR PRODUCTS INC #ad
Weight0.57 Pounds
Part NumberPA9048S

6. BlueDevil Products

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BlueDevil Head Gasket Sealer 38386

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BlueDevil Products #ad - Safe and easy to use. Alternative solution for costly and time consuming repairs . Contains no solid or particulate matter that can harm a vehicles engine . Permanent Repair.
BrandBlueDevil Products #ad
ManufacturerBlueDevil Products #ad
Weight2 Pounds
Part Number38386
Model38386
WarrantyLIMITED WARRANTY

7. Bar's Leaks

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33.8 oz, Pack of 4, Bar's Leak HG-1-4PK HEAD SEAL Blown Head Gasket Repair

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Bar's Leaks #ad - Seals cracked cylinder heads and blocks. Stops heater core and radiator leaks. Repairs blown head and intake gasket leaks. Fixes leaking freeze and core plugs.
BrandBar's Leaks #ad
ManufacturerBar's Leaks #ad
Height9.8 Inches
Length3.2 Inches
Weight2.5 Pounds
Width3.2 Inches
Part NumberHG-1-4PK
ModelHG-1-4PK
WarrantyNo

8. K-Seal

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Trade Trusted-Stop Leak, Block, Water Pump Casing, Heater Core, ST5501 8oz, Head Gasket, K-SEAL Coolant Leak Repair, Multi-Purpose Formula Stops Leaks in the Radiator, and Freeze Plug, Pour and Go

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K-Seal #ad - Scientifically tested: safe and effective, the repair withstands the high pressure of the combustion chamber, our cracked block repair can seal leaks up to 1/32 of an inch! Once cured, all without failing or clogging the cooling system. Seals cracks and stops leaks: a diy alternative to costly repairs, freeze plug, our coolant leak fix permanently seals cracks and holes! It quickly repairs your leaking radiator, heater core and water pump casing with no adverse impact on efficiency.

Save time/money. Us bestseller. Customer support: if k-seal engine coolant leak stop doesn’t seal, the system might be over-pressurized. Repairs in minutes: formulated to permanently weld radiators, including hard plastic aluminum heads and blocks in old and new cars.

Pour and go: our cooling system sealer is easy to use: just shake the bottle, add to your radiator/overflow and run the engine! Unlike some traditional products, it mixes with all types of antifreeze, absolutely no draining or flushing required. The only car radiator and gasket sealant university tested to meet ASTM D3147. Over 8 million bottles sold worldwide! Check the technical Specification section of this page for extra instructions for a successful repair.
BrandK-Seal #ad
ManufacturerK-Seal #ad
Height6 Inches
Length7.87 Inches
Weight0.6 Pounds
Width2 Inches
Part NumberST5501
ModelST5501
WarrantyWhen K-Seal makes a repair we guarantee it will be permanent

9. Bar's Leaks

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Bar's Leaks 1109 Block Seal Liquid Copper Intake and Radiator Stop Leak, 18 oz.

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Bar's Leaks #ad - Repairs heater core leaks. Repairs freeze plug leaks. Seals larger leaks seals. Repairs blocks. Repairs blown head gaskets.
BrandBar's Leaks #ad
ManufacturerBar's Leaks #ad
Height2.6 Inches
Length7.5 Inches
Weight1.3 Pounds
Width2.6 Inches
Part Number1109
Model1109