Top 8 Black RTV Gasket Sealant – Gasket Sealers

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1. J-B Weld

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9.5 oz., J-B Weld 32929 Ultimate Black RTV Silicone Gasket Maker and Sealant

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J-B Weld #ad - Choose the product pros trust for your project. 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, it forms a tough, waterproof seal on most surfaces.

Versatile & dependable: ideal for automotive, differential covers, timing covers, oil pans, exhaust manifolds, metal, water pumps, drive housings and oven doors. Do it yourself: big or small, you can diy it with j-b. 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.

What the professionals use: builders, mechanics & repair pros know our products bond strong to a variety of surfaces in even the toughest environments. It will not shrink or crack, resists weathering and is sensor safe. Our heavy duty adhesives repair & restore it right the first time.
BrandJ-B Weld #ad
ManufacturerJBWeld #ad
Height4 Inches
Length9 Inches
Weight0.7 Pounds
Width6 Inches
Part Number32929
Model32929

2. J-B Weld

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J-B Weld 32509 Ultimate Black RTV Silicone Gasket Maker and Sealant, .5 oz.

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J-B Weld #ad - Jb weld delivers the legendary performance of the World's Strongest Bond. What the professionals use: builders, mechanics & repair pros know our products bond strong to a variety of surfaces in even the toughest environments.

Versatile & dependable: ideal for bonding, door frames, sealing, interior trim, windows, windshields, weather stripping, moldings, lens housings and more. Easy to use: upon curing, waterproof seal on most surfaces. Choose the product pros trust for your project. Rtv silicone sealant & adhesive: Is a general purpose RTV Room Temperature Vulcanized Silicone, designed for sealing and bonding uneven surfaces.

Our heavy duty adhesives repair & restore it right the first time. It will not shrink or crack, the silicone forms a tough, resists weathering and is great for many automotive accessories and household uses. Do it yourself: big or small, you can diy it with j-b.
BrandJ-B Weld #ad
ManufacturerJBWeld #ad
Height4 Inches
Length6 Inches
Width7 Inches
Part Number32509
Model32509

3. Permatex

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0.5 oz. Tube, Permatex 22073 Ultra Black Valve Cover and Gasket Dressing RTV

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Permatex #ad - Highly fluid-resistant. Temperature range -75F to 650F. This unique rtv sealant is exceptional for filling surface abnormalities or scratches resulting from scraping of old gaskets, assuring you a failure-free installation and long, trouble-free operating life. Suggested applications: a a dressing/sealant for transmission pan gaskets, thermostat, water pumps, oil pan gaskets and more. Not recommended for use with cut rubber gaskets or applications in contact with gasoline. Permanently flexible and non-shrinking for years of reliable sealing.
BrandPermatex #ad
ManufacturerPermatex #ad
Height6.5 Inches
Length0.75 Inches
Width2.81 Inches
Part Number22073
Model22073

4. Permatex

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

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Permatex #ad - Sensor-safe, non-corrosive formula designed for superior adhesion to oily surfaces and long term durability. Superior resistance to powertrain fluids including engine oil, transmission fluid, gear lube and coolants. Temperature range -65°f to 500°f -54°C to 260°C intermittent. Fit type: Universal. 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. Suggested applications: Valve covers, oil pans, timing covers, intake manifold end seals, and differential covers.
BrandPermatex #ad
ManufacturerPermatex #ad
Height8 Inches
Length1.38 Inches
Weight0.1 Pounds
Width3.81 Inches
Part Number82180
Model82180
WarrantyLimited Manufacturer

5. Permatex

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

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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
Weight0.54 Pounds
Width4 Inches
Part Number82180-2
Model82180-2

6. Loctite

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Black, Loctite 598 RTV High Performance Silicone, 190 ml -2093362

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Loctite #ad - Formula. Valve covers, oil pans, intake manifold end seals, timing covers and transmission pans. Temperature. Applications. Meets performance specs of OE silicone gaskets. O. E. M. Easy to use. The temperature range is -75°f to 625°F -59°C to 329°C intermittent. Fast-curing formula, sensor-safe, low odor and noncorrosive. Specified. Retains high flexibility, oil resistance properties and easy to apply.
BrandLoctite #ad
ManufacturerLoctite #ad
Height1.75 Inches
Length11 Inches
Weight0.77 Pounds
Width1.75 Inches
Part Number2093362
Model2093362

7. Loctite

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Loctite 37467 Black RTV 598 High Performance Silicone. 80 ml.

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Loctite #ad - Made in China. Color : Black. Package dimensions : 8. 0 l x 1. 45 h x 3. 81 w inches. Package weight : 0310009 pounds.
BrandLoctite #ad
ManufacturerLoctite #ad
Height1 Inches
Length8 Inches
Weight0.25 Pounds
Width4 Inches
Part NumberLOC491985
ModelLOC491985

8. Permatex

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1 Pack, Permatex 27037 Optimum Black Gasket Maker 3.35 oz

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Permatex #ad - 15% stronger than Ultra Black. Temperature range: -65 degreef to 500 DegreeF -54 DegreeC to 260 DegreeC intermittent. Resistant to Auto & shop fluids and vibration. Retains highest flexibility with maximum oil resistance through use of a patented adhesion system. 60% more flexible than Ultra Black. Sensor-safe, low odor, and non-corrosive. Includes 2 nozzles. Meets performance specs of oe silicone gaskets.
BrandPermatex #ad
ManufacturerPermatex #ad
Height8 Inches
Length1.25 Inches
Weight0.25 Pounds
Width3.81 Inches
Part Number27037
Model27037