Best Head Gasket Sealer For Aluminum Heads: image

Top Pick

Permatex 80062 High Tack Gasket Sealant, 4 oz. , Black

Adhesive for sealing cut gaskets, Permatex High Tack Gasket Sealant is a fast-drying all-purpose sealant that dries to a highly tacky, non-brittle film. It can be applied in advance for convenience in assembly. The sealant has a shelf life of up to 10 years and can be used with any type of gasket. Not recommended for use on hot or cold surfaces. Not recommended for use on high temperature surfaces. Not recommended for use on frozen surfaces.

Best Value

Permatex 34311-6PK The Right Stuff Grey Gasket Maker, 5 oz.

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Designed to perform under higher torque loads, the Right Stuff Grey Gasket Maker has been developed in India. The gasket maker is able to form leakproof gaskets that outperform pre-cut gaskets and operates in environments up to 450°F (232°C) continuous and 500°C intermittently. It can also be used as a sealant for oil pans. The product’s use is limited to one application per vehicle. Notably, it was launched in 2015.

Honorable Mention

Bar's Leaks Block Seal Head Gasket Fix

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Bar’s Leaks head gasket repair liquid can be used to fix blown head gaskets in less than an hour. The liquid contains anti-freeze compatible sodium silicate sealing liquid and various gasket sealing particles that penetrate gaps and cracks to permanently stop leaks. It is available at a cost of?5 lakh for a full set. Notably, the product has been on sale since its launch in 2015.

Best Head Gasket Sealer For Aluminum Heads

Top 5 Best Head Gasket Sealer For Aluminum Heads

Why we chose it

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

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Bar's Leaks Block Seal Head Gasket Fix: image

84%

customers recommend this product

4.2/ 5

Value for money4
Mileage3.7

Why we chose it

Tacky paste for holding cut gaskets in place during assembly helps seal cut gaskets
Suggested Applications: Valve covers, fuel pumps, carburetors, manifold gaskets seals any rubber, cork, paper or composite gasket
Fit type: Vehicle Specific
Resists gasoline, oil, antifreeze, axle lube, kerosene, propane and butane sensor-safe
Reliable, fast-drying, all-purpose sealant dries to a highly tacky, non-brittle film remains tacky indefinitely
Temperature Range: -65 F to 500 F (-54 C to 260 C)

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Permatex 80062 High Tack Gasket Sealant, 4 oz. , Black: image

94%

customers recommend this product

4.7/ 5

Adhesion4.5
Value for money4.5

Why we chose it

Blowout resistant, allowing leakproof gaskets to be made in just one minute protects against leaks and seepage caused by vibration and thermal expansion
Seals instantly, forming a reliable, long lasting elastomeric rubber gasket eliminates the need for pre-formed, pre-cut, paper, rubber or cork gaskets
Suggested Applications: Automotive, heavy duty, and marine gaskets, valve covers, gearbox covers, pumps, oil pans, thermostat housings, water pumps
Temperature Range: -75 F to 450 F (-59 C to 232 C) continuous, 500 F (260 C) intermittent
Flash point: 93.8889 degrees celsius
Formulated to meet or exceed performance standards for long-term sealability, durability and handling this material is used on OEM production lines and specified in their service parts programs

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Permatex 85224 The Right Stuff Gasket Maker, 7.5 oz. PowerBead Can , Black: image

92%

customers recommend this product

4.6/ 5

Easy to use4.3
Adhesion4.2
Value for money4.1

Why we chose it

Withstands temperatures to 450F continuous, and 500F intermittent
Blowout resistant, allowing leakproof gaskets to be made and put into service in just one minute
Designed to perform under higher torque loads associated with engines that have closely spaced bolt patterns, such as those typically found in import vehicles
Sensor-safe, seals instantly, forming a reliable, long lasting elastomeric rubber gasket that outperforms precut gaskets
Resistant to powertrain fluids such as ATF, oil, and coolant

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Permatex 34311-6PK The Right Stuff Grey Gasket Maker, 5 oz. (Pack of 6): image

92%

customers recommend this product

4.6/ 5

Why we chose it

Guaranteed
Safe and Easy to use.
Permanent repair for radiator and block leaks.
Contains no solids or fibrous materials.
Works effectively on plastic, aluminum and/or metal radiators

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BlueDevil Radiator & Block Sealer: image

82%

customers recommend this product

4.1/ 5

Permatex 80062 High Tack Gasket Sealant, 4 oz. , Black

Permatex High Tack Gasket Sealant is a fast-drying all-purpose sealant that dries to a highly tacky, non-brittle film. A reliable general adhesive remains tacky indefinitely - can be applied in advance for convenience in assembly. Remains effective at temperatures of -65°F to 500°F (-54°C to 260°C). Sensor-safe and resistant to gasoline, oil, antifreeze, axle lube, kerosene, propane and butane.

Ranking the Brands: Bar’s Leaks: 20.00%; Permatex: 60.00%; BlueDevil Products: 20.00%

Comparison Table


	Bar’s Leaks Block Seal Head Gasket Fix	Permatex 80062 High Tack Gasket Sealant, 4 oz. , Black	Permatex 85224 The Right Stuff Gasket Maker, 7.5 oz. PowerBead Can , Black	Permatex 34311-6PK The Right Stuff Grey Gasket Maker, 5 oz. (Pack of 6)	BlueDevil Radiator & Block Sealer
Manufacturer	Bar’s Leaks	Permatex	Permatex	Permatex	BlueDevil Products
Brand	Bar’s Leaks	Permatex	Permatex	Permatex	BlueDevil Products
Item Weight	1.5 pounds	4.8 ounces	11.2 ounces	5 ounces	1 pounds
Product Dimensions	9.5 x 2.6 x 2.5 inches	2.44 x 2.44 x 2.75 inches	2.19 x 2.19 x 10.06 inches	–	2.75 x 2.75 x 7.25 inches
Is Discontinued By Manufacturer	No	No	No	–	No
Size	Pack of 1	Pack of 1	Pack of 1	Pack of 6	–
Exterior	–	Painted	Painted	–	–