Top 9 Ultra Black RTV – Gasket Sealers

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1. 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 - Superior resistance to powertrain fluids including engine oil, transmission fluid, gear lube and coolants. Suggested applications: Valve covers, oil pans, timing covers, intake manifold end seals, and differential covers. 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, paper, pre-cut, rubber or cork gaskets; OEM specified and approved for dealership warranty requirements. Temperature range -65°f to 500°f -54°C to 260°C intermittent.
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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3 oz, Permatex 81160 High-Temp Red RTV Silicone Gasket

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Permatex #ad - Makes reliable 'formed-in-place' gaskets that resist cracking, shrinking and migrating. Formulated for hi-temp applications, or heavy-duty use. Temperature range of -65F to 650F intermittent. Suggested applications: Valve covers, oil pans, timing covers, water pumps, thermostat housings, transmission pans. 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
Warranty1-Years for defects in material and/or workmanship

3. Permatex

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Permatex 81173 Black Silicone Adhesive Sealant, 12.9 oz

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Permatex #ad - Suggested applications: door frames, seams and roofs, vinyl tops, electrical connections, and weather stripping; protects and repairs electrical wiring. Seals, plastics, mends and secures glass, fabric, metal, vinyl, bonds, repairs, weather stripping and vinyl tops. Waterproof and flexible; resists water, weather, and vibration. Sensor-safe, general purpose black RTV indoor/outdoor sealant. Temperature range: -75°f to 450°f -59°C to 232°C.
BrandPermatex #ad
ManufacturerRain-X #ad
Height11.25 Inches
Length1.88 Inches
Weight0.79 Pounds
Width1.88 Inches
Part Number81173
Model81173
WarrantyManufacturer

4. Permatex

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

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Permatex #ad - Seals instantly, forming a reliable, pre-cut, long lasting elastomeric rubber gasket; eliminates the need for pre-formed, paper, 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.

Flash point: 93. 8889 degrees_celsius. Suggested applications: automotive, and marine gaskets, pumps, oil pans, heavy duty, valve covers, thermostat housings, gearbox covers, water pumps. 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. Temperature range: -75°f to 450°f -59°c to 232°c continuous, 500°F 260°C intermittent.
BrandPermatex #ad
ManufacturerPermatex #ad
Height10.06 Inches
Length2.19 Inches
Weight0.7 Pounds
Width2.19 Inches
Part Number85224
Model85224
WarrantyManufacturer

5. Permatex

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

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

6. Permatex

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Permatex 27036 Optimum Grey Gasket Maker 3.35 oz, 1 Pack

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Permatex #ad - Includes 2 nozzles. 15% more flexible than Ultra grey. Sensor-safe, low odor, and non-corrosive. Maximum temperature resistance: -65f to 700f-54 DegreeC to 371 DegreeC intermittent. Maximum vibration resistance, cooling fluids, with outstanding resistance to oils, and shop fluids. Than Ultra grey. 40% higher Temp. The most advanced, high Temp RTV silicone gasket maker Available.
BrandPermatex #ad
ManufacturerPermatex #ad
Height8 Inches
Length1.25 Inches
Weight0.25 Pounds
Width3.81 Inches
Part Number27036
Model27036
WarrantyManufacturer Warranty

7. Permatex

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

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Permatex #ad - Oem specified, guaranteed not to leak. Maximum vibration resistance, with outstanding resistance to oils, cooling and shop fluids. Designed specially for high-torque and high vibration applications. Suggested applications: valve covers, timing covers, water pumps, oil pans, intake manifold end seals, thermostat housings. Low odor and non-corrosive formula.
BrandPermatex #ad
ManufacturerPermatex #ad
Height8 Inches
Length1.25 Inches
Weight0.2 Pounds
Width3.81 Inches
Part Number82194
Model82194
WarrantyNot Applicable

8. J-B Weld

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

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J-B Weld #ad - Our heavy duty adhesives repair & restore it right the first time. It will not shrink or crack, resists weathering and is sensor safe. 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, oil pans, exhaust manifolds, metal, water pumps, timing covers, drive housings and oven doors. 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. Choose the product pros trust for your project. Do it yourself: big or small, you can diy it with j-b. Jb weld delivers the legendary performance of the World's Strongest Bond.
BrandJ-B Weld #ad
ManufacturerJBWeld #ad
Height9.5 Inches
Length4.5 Inches
Weight0.7 Pounds
Width6.25 Inches
Part Number32929
Model32929

9. Permatex

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

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