Top 9 RTV High Temp Silicone – Gasket Sealers

As an Amazon Associate I earn from qualifying purchases.

1. Permatex

#ad

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

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

2. J-B Weld

#ad

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

#ad
J-B Weld #ad - It will not shrink or crack, it forms a tough, resists weathering and is sensor safe. Do it yourself: big or small, you can diy it with j-b. Versatile & dependable: ideal for automotive, oil pans, metal, timing covers, water pumps, exhaust manifolds, differential covers, drive housings and oven doors.

Our heavy duty adhesives repair & restore it right the first time. Easy to use: curing when the product is exposed to the moisture in air, waterproof seal on most surfaces. 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.

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. Choose the product pros trust for your project.
BrandJ-B Weld #ad
ManufacturerJBWeld #ad
Height5 Inches
Length11 Inches
Width9 Inches
Part Number31914
Model31914

3. Permatex

#ad

3 oz., Permatex 81422 Sensor-Safe High-Temp RTV Silicone Gasket Maker

#ad
Permatex #ad - Specially formulated for engines equipped with oxygen sensors. Temperature range: -65F to 650F intermittent. First generation 1970-1980 gasket maker. Suggested applications: valve covers, timing covers, water pumps, oil pans, thermostat housings and transmission pans. Resistant to auto and shop fluids.
BrandPermatex #ad
ManufacturerPermatex #ad
Height8 Inches
Length1.25 Inches
Weight0.33 Pounds
Width3.81 Inches
Part Number81422
Model81422

4. Pro Seal

#ad

Pro Seal N80729 Hi-Temp RTV Silicone Instant Gasket, Red

#ad
Pro Seal #ad - 8 ounce power can. Country of Origin: United States. Package weight : 3. 01lbs. Country of origin : United States.
BrandPro Seal #ad
ManufacturerPro Seal #ad
Height2 Inches
Length8.9 Inches
Weight0.55 Pounds
Width2 Inches
Part Number80729
ModelN80729

5. Permatex

#ad

2 Pack, Permatex High-Temp Red RTV Silicone Gasket Maker 3 oz.

#ad
Permatex #ad - 2 pairs 4 gloves of clc2316L Latex Gloves - Large. Bundle consists of 6 Items:. 2 - permatex high-temp red RTV Silicone Gasket Maker 3 oz.
BrandPermatex #ad
ManufacturerPermatex #ad
Part Number81160-2PK

6. Permatex

#ad

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

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

7. Permatex

#ad

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

#ad
Permatex #ad - Designed specially for high-torque and high vibration applications. Suggested applications: valve covers, timing covers, oil pans, intake manifold end seals, water pumps, 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
Length1.25 Inches
Weight0.26 Pounds
Width3.81 Inches
Part Number82194
Model82194
WarrantyLIMITED WARRANTY

8. Permatex

#ad

Permatex Hi-Temp Rtv Silicone Gasket Maker 3.35 Oz. -65 To 500 °f

#ad
Permatex #ad - 3. 35 oz. Sensor safe-low odor-non- corrosive. Retains high flexibility. Tube. Hi temp. Fast curing.
BrandPermatex #ad
ManufacturerItw Brands #ad
Height8 Inches
Length9 Inches
Weight0 Pounds
Width3.8 Inches
Part Number82180
Model82180

9. Rutland Products

#ad

Rutland 500-Degree RTV High Heat Silicone Seal, 2.7-Ounce Tube, Clear

#ad
Rutland Products #ad - Will adhere to most clean surfaces including: glass, metal, brick, plastics, fiberglass, wood, and stone. Seal fireplace inserts, apply ceramic tiles to your fireplace surround or heat shielding behind your stove, repair solar panels, the uses are endless. Forms a tough and flexible seal. Rated to withstand up to 500° F 260° C. Rutland high temperature Silicone is a great solution to your sealant and adhesive needs.
BrandRutland Products #ad
ManufacturerRutland Products #ad
Height7.75 Inches
Length2.13 Inches
Weight0.2 Pounds
Width2.13 Inches
Part Number76CT
Model76CT
WarrantyThis product will be free from defects in material and manufacture for a period of eighteen (18) months from date of manufacture. Rutland fire clay company makes no other warranties including, but not limited to, any implied warranty of merchantability or fitness for a particular purpose. User is responsible for determining whether the rutland fire clay company product is fit for a particular purpose and suitable for user’s application. If this rutland fire clay company product is defective within the warranty period stated above, your exclusive remedy and rutland fire clay company’s sole obligation shall be, at rutland fire clay company’s option, to replace the rutland fire clay company product or refund the purchase price of the rutland fire clay company product.