Top 9 Head Gasket Sealer 8 Cylinder – Automotive Replacement Engine Kit Gasket Sets

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8 Cylinder, Steel Seal Blown Head Gasket Fix Repair Sealer

STEEL 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.
ManufacturerSteel Seal #ad
Part Number8CYL001

2. Bar's Leaks


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

Bar'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.
BrandBar's Leaks #ad
ManufacturerBar's Leaks #ad
Height3.22 Inches
Length9.78 Inches
Weight2.65 Pounds
Width3.22 Inches
Part NumberHG-1
WarrantyManufacturer Warranty

3. BlueDevil Products


BlueDevil Head Gasket Sealer 38386

BlueDevil 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.
BrandBlueDevil Products #ad
ManufacturerBlueDevil Products #ad
Weight2.87 Pounds
Part Number38386



K-Seal ST5501 Multi Purpose One Step Permanent Coolant Leak Repair, Blue

KALIMEX 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.
ManufacturerK-Seal #ad
Height6 Inches
Length7.87 Inches
Weight0.6 Pounds
Width2 Inches
Part NumberST5501
WarrantyWhen K-Seal makes a repair we guarantee it will be permanent

5. Bar's Leaks


Bar's Leaks Block Seal Head Gasket Fix

Bar'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.
BrandBar's Leaks #ad
ManufacturerBar's Leaks #ad
Height2.5 Inches
Length9.5 Inches
Weight1.5 Pounds
Width2.6 Inches
Part Number1111
Warranty1 year manufacturer



K-Seal ST3501 Pour and Go Permanent Head Gasket and Block Repair

KALIMEX 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. 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.
ManufacturerSolv-TecA #ad
Height8 Inches
Length2.5 Inches
Weight1 Pounds
Width2.5 Inches
Part NumberKSLST3501
WarrantyLifetime warranty does not cover abuse

7. K&W


K&W 401224 FiberLock Head Gasket & Block Repair, 32 Fl Oz

K&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. 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.
BrandK&W #ad
ManufacturerCRC #ad
Height9.54 Inches
Length3.4 Inches
Width3.4 Inches
Part Number401224-6
Warranty2 year manufacturer

8. Bar's Leaks


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

Bar'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. 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.
BrandBar's Leaks #ad
ManufacturerBar's Leaks #ad
Height8.3 Inches
Length1.8 Inches
Weight1.41 Pounds
Width3.4 Inches
Part Number1100
Warranty1 year manufacturer

9. Blue Magic


22.8 oz., Blue Magic 1116 Liquid Glass Metallic Seal-Up

Blue Magic #ad - Liquid glass and copper formula. Forms permanent copper-ceramic seal. Seal withstands up to 2000 degrees Fahrenheit. Permanent cooling system sealer.
BrandBlue Magic #ad
ManufacturerBlue Magic #ad
Height7.2 Inches
Length2.7 Inches
Width2.7 Inches
Part Number1116