Top 10 RTV Silicone Sealant – Gasket Sealers

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1. J-B Weld

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J-B Weld 31314 High Temperature RTV Silicone Gasket Maker and Sealant, 3 oz., Red

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J-B Weld #ad - Versatile & dependable: ideal for automotive, oil pans, differential covers, metal, water pumps, exhaust manifolds, timing covers, drive housings and oven doors. Jb weld delivers the legendary performance of the World's Strongest Bond.

Easy to use: curing when the product is exposed to the moisture in air, waterproof seal on most surfaces. With each product we innovate, we continue to provide the world's strongest bond for your projects. Do it yourself: big or small, you can diy it with j-b. Count on us: for more than 40 years, our products have earned a loyal following from people who take pride in their work.

Our heavy duty adhesives repair & restore it right the first time. Hi temp red silicone gasket maker & sealant: is an rtv room temperature Vulcanized Silicone gasketing material, designed for use in mechanical assemblies where the existence of higher, continuous temperatures up to 550º F or 650º F intermittent might exist. It will not shrink or crack, it forms a tough, resists weathering and is sensor safe.
BrandJ-B Weld #ad
ManufacturerJBWeld #ad
Height6.3 Inches
Length1.97 Inches
Weight0.2 Pounds
Width1.57 Inches
Part Number31314
Model31314
WarrantyNo Warranty

2. Permatex

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Sensor Safe And Non-Corrosive, For High Flex And Oil Resistant Applications 3.35oz Tube, Permatex 82180 Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker

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Permatex #ad - Suggested applications: valve covers and valve guides, Transmission Pans, Oil Pans, Timing Gear Covers, Intake Manifold End Seals, And Differential Covers. Superior resistance - powertrain fluids including engine oil, Transmission Fluid, Gear Lube And Coolants To Keep Your Application Locked In Place To Create A Strong Long Lasting Seal.

With a temperature range of -65°f to 500°f -54°c To 260°c Intermittent. Non-corrosive formula - ultra black maximum oil resistance silicone Gasket Maker Is Sensor-safe; With A Non-Corrosive Formula Designed For Superior Adhesion To Oily Surfaces And Long Term Durability.

Long-lasting and durable - ultra black resists aging, weathering and thermal cycling Without Hardening, Shrinking Or Cracking. High flexibility - ultra black silicone gasket maker retains high flexibility And Oil Resistant Properties And Can Be Used To Replace Pre Cut Gaskets Or Be Used As A Gasket Maker Or Gasket Sealant.
BrandPermatex #ad
ManufacturerPermatex #ad
Height8 Inches
Length1.38 Inches
Weight0.1 Pounds
Width3.81 Inches
Part Number82180
Model82180
WarrantyManufacturer

3. Permatex

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

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Permatex #ad - Formulated for hi-temp Applications, Or Heavy-Duty Use. Temperature range of -65F To 650F Intermittent. Replaces almost any cut gasket, And Coats Pre-Cut Gaskets To Increase Reliability. Makes reliable 'formed-in-place' Gaskets That Resist Cracking, Shrinking And Migrating.
BrandPermatex #ad
ManufacturerPermatex #ad
Height8 Inches
Length1.25 Inches
Weight0.2 Pounds
Width3.81 Inches
Part Number81160
Model81160
WarrantyManufacturer Warranty

4. Pro Seal

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Black, 28.3 g, Pro Seal 4301702 80044 RTV Silicone Instant Gasket, 500 Degree F Performance Temperature, 1 oz

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Pro Seal #ad - Replaces cork, felt, paper, rubber & composite gaskets. Resists oil, antifreeze, grease and transmission fluid safe for all automotive models. Made in USA. Makes leak-proof gaskets in seconds.
BrandPro Seal #ad
ManufacturerPacer #ad
Height0.5 Inches
Length5 Inches
Weight0.11 Pounds
Width4 Inches
Part Number4301702
Model4301702

5. J-B Weld

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10.3 oz., J-B Weld 31914 Red High Temperature RTV Silicone Gasket Maker and Sealant

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J-B Weld #ad - Versatile & dependable: ideal for automotive, water pumps, differential covers, timing covers, exhaust manifolds, metal, oil pans, drive housings and oven doors. Jb weld delivers the legendary performance of the World's Strongest Bond.

Do it yourself: big or small, you can diy it with j-b. Our heavy duty adhesives repair & restore it right the first time. What the professionals use: builders, mechanics & repair pros know our products bond strong to a variety of surfaces in even the toughest environments. Choose the product pros trust for your project. Easy to use: curing when the product is exposed to the moisture in air, waterproof seal on most surfaces.

It will not shrink or crack, it forms a tough, resists weathering and is sensor safe. 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.
BrandJ-B Weld #ad
ManufacturerJBWeld #ad
Height5 Inches
Length10.98 Inches
Weight0.64 Pounds
Width9.02 Inches
Part Number31914
Model31914

6. Permatex

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7.25 oz. PowerBead Can, Permatex 85913 Clear RTV Silicone Adhesive Sealant

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Permatex #ad - Suggested applications: windshields, electrical connections, door frames, seams and roofs, vinyl tops. Seals, mends and secures glass, vinyl, plastics, bonds, metal, repairs, fabric, weather stripping and vinyl tops. May be applied to horizontal or vertical surfaces. Resists oil, vibration, water, grease and weather, with a temperature range of -75F to 400F. Protects and repairs electrical wiring.
BrandPermatex #ad
ManufacturerPermatex #ad
Height2.06 Inches
Length2.06 Inches
Weight0 Pounds
Width10 Inches
Part Number85913
Model85913
WarrantyLIMITED WARRANTY

7. 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 - Designed specially for high-torque and high vibration applications. Suggested applications: valve covers, intake manifold end seals, oil pans, water pumps, timing covers, thermostat housings. Maximum vibration resistance, with outstanding resistance to oils, cooling and shop fluids. Low odor and non-corrosive formula.
BrandPermatex #ad
ManufacturerPermatex #ad
Height8 Inches
Length1.2 Inches
Weight0.26 Pounds
Width3.8 Inches
Part Number82194
Model82194
WarrantyManufacturer Warranty

8. Permatex

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

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Permatex #ad - Tube, 2 Pack. Permatex 82180 ultra black maximum oil resistance RTV Silicone Gasket Maker, 3. 35 oz.
BrandPermatex #ad
ManufacturerPermatex #ad
Height4 Inches
Length1 Inches
Weight0.5 Pounds
Width4 Inches
Part Number82180-2
Model82180-2

9. Permatex

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Permatex 82194-12PK Ultra Grey Rigid High-Torque RTV Silicone Gasket Maker, 3.5 Ounce Pack of 12

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Permatex #ad - Low odor and non-corrosive formula. Oem specified, guaranteed not to leak. Suggested applications: valve covers, water pumps, oil pans, timing covers, intake manifold end seals, thermostat housings. Designed specially for high-torque and high vibration applications. Maximum vibration resistance, with outstanding resistance to oils, cooling and shop fluids.
BrandPermatex #ad
ManufacturerPermatex #ad
Height5 Inches
Length5 Inches
Weight2.63 Pounds
Width6 Inches
Part Number82194-12PK
Model82194-12PK

10. Ford

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5 oz., Genuine Ford Fluid TA-31 RTV Silicone Sealant

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Ford #ad - Non-corrosive sealant. Specifically recommended for use with the 7. 3l power stroke, 6. 0l and 6. 4l diesel engine. Formulated for automotive use. A specially designed alkoxy cure RTV sealant for high temperature applications. High viscosity material which starts to cure in minutes.
BrandFord #ad
ManufacturerFord #ad
Height1.3 Inches
Length5.4 Inches
Weight0.3 Pounds
Width1.8 Inches
Part NumberTA-31
ModelTA-31
WarrantyManufacturer Warranty