Top 9 Head Gasket Sealer 6 Cylinder – Gasket Sealers

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1. BlueDevil Products

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BlueDevil Pour-N-Go Head Gasket Sealer

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BlueDevil Products #ad - Easy to use Pour-n-go. Do-it-yourself Formula. Permanently seals Blown, Cracked or Leaking Head Gaskets. Used for 4 cylinder and v-6 engines.
BrandBlueDevil Products #ad
ManufacturerBlueDevil Products #ad
Height5.5 Inches
Length2.75 Inches
Weight1 Pounds
Width2.75 Inches
Part Number00209
Model00209
Warrantylimited

2. STEEL SEAL

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Steel Seal Blown Head Gasket Fix Repair Sealer, 6 Cylinder

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STEEL SEAL #ad - Backed with a 100% Money-Back Guarantee. Permanently seals a crack in the head gasket. Used for 6 Cylinder Engines. Do-it-yourself Pour in Head Gasket Fix. Used by thousands of repair shops nationwide.
BrandSTEEL SEAL #ad
ManufacturerSteel Seal #ad
Part Number6CYL001

3. STEEL SEAL

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Head Gasket Sealer for 6 Cylinder Engines, Steel Seal

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STEEL SEAL #ad - Backed with a 100% Money-Back Guarantee. Award winning, triple-patented formula. Permanently seals head gasket leaks. Do-it-yourself pour in head gasket fix. Used for all 6 cylinder engines 2 bottles.
BrandSTEEL SEAL #ad
ManufacturerSteel Seal #ad
Height8 Inches
Length4 Inches
Weight2.75 Pounds
Width4 Inches
Part Number6CYL001USA

4. 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 - 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
ModelHG-1
WarrantyManufacturer Warranty

5. KALIMEX LTD

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

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KALIMEX LTD #ad - 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.

A permanent repair, guaranteed for the lifetime of the engine. Fixes blown head gaskets, cracked heads and blocks. Just pour & go – no need for expensive head Gasket Repairs - The Safe and Easy Way to Fix a Coolant Leak. 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.
BrandKALIMEX LTD #ad
ManufacturerSolv-TecA #ad
Height8 Inches
Length2.5 Inches
Weight1 Pounds
Width2.5 Inches
Part NumberKSLST3501
ModelKSLST3501
WarrantyLifetime warranty does not cover abuse

6. Bar's Leaks

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Bar's Leaks Block Seal Head Gasket Fix

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Bar's Leaks #ad - Repairs blown head gaskets. 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. 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
Model1111
Warranty1 year manufacturer

7. K&W

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

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K&W #ad - Contains 3 unique technologies. Seals larger holes with less fluid loss than competitive products as proven by lab test ASTM D6107. Nanotechnology permanently fixes the smallest cracks and crevices. Works with all antifreeze or plain water. Cool-x conditioner – lowers operating temperature as it circulates through cooling system. ". Military-strength fibers create multi-layer repair over cracks with a web-like weave. Easy pour and go formula! Permanently fixes head gaskets, cooling systems, engine blocks, and cylinder heads.
BrandK&W #ad
ManufacturerCRC #ad
Height9.54 Inches
Length3.4 Inches
Width3.4 Inches
Part Number401224-6
Model401224-6
Warranty2 year manufacturer

8. Fel-Pro

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FEL-PRO 26415 PT Head Gasket

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Fel-Pro #ad - Designed for imperfect sealing surfaces -- engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces. Unique combustion seal -- exclusive laserweld stopper layer technology reduces gasket damage from blow out and helps ensure a stronger combustion seal.

Handles extreme engine conditions -- engineered and manufactured to inhibit over-compression of embossments to maintain a superior seal under peak combustion pressures and temperatures. Proprietary coating -- exclusive coating helps withstand rougher sealing surface finishes up to 80 Ra. Multi-layered steel construction -- multiple layers of stainless steel maintain sealing stress and accommodate head lift. Superior seal -- precise embossed sealing beads at all vital areas to eliminate leak paths.
BrandFel-Pro #ad
ManufacturerFEL-PRO #ad
Height0.3 Inches
Length16.1 Inches
Weight0.45 Pounds
Width8.5 Inches
Part Number26415PT
Model26415 PT

9. K-Seal

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K-Seal ST5516 HD Multi Purpose One Step Permanent Coolant Leak Repair

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K-Seal #ad - Mixes with all antifreeze. Permanent coolant leak repair - Just shake, pour and go. No draining or flushing. 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. Fixes cracks and leaks in radiator, cylinder heads, heater core, freeze plugs, head gasket, water pump casing and engine blocks.
BrandK-Seal #ad
ManufacturerK-Seal #ad
Height1.9 Inches
Length5.9 Inches
Weight1.19 Pounds
Width4.1 Inches
Part NumberST5516
ModelST5516
WarrantyWhen K-Seal makes a repair we guarantee it will be permanent