Top 10 RTV Gasket Sealant – Gasket Sealers


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1. Permatex

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3.35 oz. Tube, Permatex 82180 Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker

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Permatex #ad - Suggested applications: Valve covers, intake manifold end seals, timing covers, oil pans, and differential covers. Temperature range -65°f to 500°f -54°C to 260°C intermittent. Superior resistance to powertrain fluids including engine oil, transmission fluid, gear lube and coolants. Fit type: Universal. Sensor-safe, non-corrosive formula designed for superior adhesion to oily surfaces and long term durability. Retains high flexibility and eliminates the need for pre-formed, pre-cut, paper, rubber or cork gaskets; OEM specified and approved for dealership warranty requirements.
BrandPermatex #ad
ManufacturerPermatex #ad
Height8 Inches
Length1.38 Inches
Weight0.1 Pounds
Width3.81 Inches
Part Number82180
Model82180
WarrantyNA

2. Permatex

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Permatex 81160 High-Temp Red RTV Silicone Gasket, 3 oz

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Permatex #ad - Formulated for hi-temp applications, or heavy-duty use. Temperature range of -65F to 650F intermittent. Suggested applications: Valve covers, timing covers, oil pans, thermostat housings, water pumps, transmission pans. Makes reliable 'formed-in-place' gaskets that resist cracking, shrinking and migrating. Replaces almost any cut gasket, and coats pre-cut gaskets to increase reliability.
BrandPermatex #ad
ManufacturerPERMATEX #ad
Height8 Inches
Length1.25 Inches
Weight0.2 Pounds
Width3.81 Inches
Part Number81160
Model81160
WarrantyLIMITED WARRANTY

3. Permatex

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Permatex 82194 Ultra Grey Rigid High-Torque RTV Silicone Gasket Maker, 3.5 oz.

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Permatex #ad - Oem specified, guaranteed not to leak. Low odor and non-corrosive formula. Suggested applications: valve covers, oil pans, water pumps, intake manifold end seals, timing covers, thermostat housings. Maximum vibration resistance, with outstanding resistance to oils, cooling and shop fluids. Designed specially for high-torque and high vibration applications.
BrandPermatex #ad
ManufacturerPermatex #ad
Height8 Inches
Length1.25 Inches
Weight0 Pounds
Width3.81 Inches
Part Number82194
Model82194
WarrantyNot Applicable

4. Permatex

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3 oz., Permatex 81182 Gear Oil RTV Gasket Maker

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Permatex #ad - Seeks and seals leak paths that cut gaskets cannot. Tested to original Equipment Manufacturer OEM specifications to ensure complete sealing power. Specialty silicone does not break down against gear oil friction modifiers. Specially formulated to withstand the harsh gear oil environment found in differentials and transfer cases. Sensor safe, non-toxic, and non-flammable.
BrandPermatex #ad
ManufacturerPermatex #ad
Height1.4 Inches
Length7.9 Inches
Weight0.24 Pounds
Width3.8 Inches
Part Number81182
Model81182

5. Permatex

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Permatex 81878 Ultra Copper Maximum Temperature RTV Silicone Gasket Maker, 3 oz. Tube

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Permatex #ad - Most advanced, high temp RTV silicone gasket available. Three times more oil resistant than conventional silicones; eight times more flexible than cut gaskets. Sensor-safe, low odor, and non-corrosive with superior adhesion. Suggested applications: Exhaust manifolds/headers, water pumps, timing covers, oil pans, valve covers, thermostat housings. Temperature range -75F to 700F intermittent.
BrandPermatex #ad
ManufacturerPermatex #ad
Height8 Inches
Length1.38 Inches
Weight0.2 Pounds
Width3.81 Inches
Part Number81878
Model81878
WarrantyManufacturer

6. Permatex

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Pack of 1, 3 oz. Tube, Permatex 81158 Black Silicone Adhesive Sealant

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Permatex #ad - Sensor-safe, general purpose black RTV indoor/outdoor sealant. Fit type: Universal. Seals, vinyl, plastics, repairs, mends and secures glass, metal, bonds, fabric, weather stripping and vinyl tops. Waterproof and flexible; resists water, weather, and vibration. Temperature range: -75°f to 450°f -59°C to 232°C. Suggested applications: door frames, vinyl tops, electrical connections, seams and roofs, and weather stripping; protects and repairs electrical wiring.
BrandPermatex #ad
ManufacturerPermatex #ad
Height2 Inches
Length8 Inches
Weight2.2 Pounds
Width4 Inches
Part Number81158
Model81158
WarrantyManufacturer Warranty

7. Permatex

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

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Permatex #ad - Temperature range: -75°f to 450°f -59°c to 232°c continuous, 500°F 260°C intermittent. 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.

Suggested applications: automotive, gearbox covers, oil pans, and marine gaskets, thermostat housings, heavy duty, valve covers, pumps, water pumps. Seals instantly, pre-cut, long lasting elastomeric rubber gasket; eliminates the need for pre-formed, paper, forming a reliable, rubber or cork gaskets. Blowout resistant, allowing leakproof gaskets to be made in just one minute; protects against leaks and seepage caused by vibration and thermal expansion.
BrandPermatex #ad
ManufacturerPermatex #ad
Height10.06 Inches
Length2.19 Inches
Weight0.7 Pounds
Width2.19 Inches
Part Number85224
Model85224
WarrantyManufacturer

8. Permatex

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Permatex 81724 Sensor-Safe Ultra Blue RTV Silicone Gasket Maker, 3.35 oz. Tube

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Permatex #ad - These original equipment Manufacturer OEM specified gaskets resist auto and shop fluids, as well as vibration. Suggested applications: Valve covers, transmission pans, timing covers, oil pans, differential covers. Eight times more flexible than cork/composite gaskets. Sensor-safe, low odor, non-corrosive. Three times more oil resistant than conventional silicones.
BrandPermatex #ad
ManufacturerPermatex #ad
Height1.16 Inches
Length8 Inches
Weight0.2 Pounds
Width4 Inches
Part Number81724
Model81724
WarrantyNA

9. J-B Weld

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J-B Weld 32325 Ultimate Copper High Temperature RTV Silicone Gasket Maker and Sealant, Copper, 3 oz.

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J-B Weld #ad - Do it yourself: big or small, you can diy it with j-b. Easy to use: curing when the product is exposed to the moisture in air, waterproof seal on most surfaces. Choose the product pros trust for your project.

Hi temp silicone gasket maker & sealant: is an rtv silicone gasketing material, designed for use in mechanical assemblies where continuous temperatures up to 550º F or 650º F intermittent exist. Versatile & dependable: ideal for automotive, water pumps, metal, oil pans, timing covers, differential covers, exhaust manifolds, drive housings and oven doors. What the professionals use: builders, mechanics & repair pros know our products bond strong to a variety of surfaces in even the toughest environments.

Jb weld delivers the legendary performance of the World's Strongest Bond. Our heavy duty adhesives repair & restore it right the first time. It will not shrink or crack, it forms a tough, resists weathering and is sensor safe.
BrandJ-B Weld #ad
ManufacturerJBWeld #ad
Height6 Inches
Length6 Inches
Weight0.09 Pounds
Width9 Inches
Part Number32325
Model32325
WarrantyNo Warranty

10. Permatex

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3 oz, Permatex 80050 Clear RTV Silicone Adhesive Sealant

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Permatex #ad - Temperature range: -75°f to 400°f -59°C to 204°C. General purpose, clear RTV indoor/outdoor sealant. Waterproof, and flexible; resists water, weather, durable, and vibration. Suggested applications: door frames, vinyl tops, seams and roofs; not recommended for engine gasket, windshield installation, or electrical connection applications. Seals, vinyl, bonds, metal, fabric, repairs, plastics, mends and secures glass, weather stripping and vinyl tops.
BrandPermatex #ad
ManufacturerPermatex #ad
Height0.02 Inches
Length4.48 Inches
Weight0.25 Pounds
Width3.12 Inches
Part Number80050
Model80050
WarrantyManufacturer Warranty