Top 10 Thermostat Gasket Sealant – Gasket Sealers

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1. Permatex

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0.5 oz., 0.5 Ounce, Permatex 22071 Water Pump and Thermostat RTV Silicone Gasket

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Permatex #ad - Sensor-safe, noncorrosive RTV silicone gasket material formulated specifically for water pumps and thermostat housings. Suggested applications: Water pump and thermostat housings. Highest water-glycol resistance available in an RTV silicone. Temperature range: -65°f to 500°f -54°C to 260°C intermittent. Superior adhesion and flexibility; can be used as a gasket maker or dressing.
BrandPermatex #ad
ManufacturerPermatex #ad
Height6.5 Inches
Length0.63 Inches
Weight0.05 Pounds
Width2.81 Inches
Part Number22071
Model22071

2. J-B Weld

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J-B Weld 32507 Water Pump and Thermostat Housing RTV Silicone Gasket Maker and Sealant, .5 oz.

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J-B Weld #ad - Choose the product pros trust for your project. This product is grey in color and sensor safe. Dependable & versatile: perfect for use on automotive applications such as oil pans, timing gear covers, transmission pans, valve covers, and water pumps & thermostats.

Jb weld delivers the legendary performance of the World's Strongest Bond. Our heavy duty adhesives repair & restore it right the first time. Easy to use: curing occurs with exposure to moisture in the air, waterproof, forming a tough, petroleum and weather resistant gasket and seal on most surfaces. Do it yourself: big or small, you can diy it with j-b.

What the professionals use: builders, mechanics & repair pros know our products bond strong to a variety of surfaces in even the toughest environments. Water pump & thermostat housing gasket maker and sealant: Is a specially designed RTV Room Temperature Vulcanized Silicone gasketing material for use in mechanical assemblies.
BrandJ-B Weld #ad
ManufacturerJBWeld #ad
Height1 Inches
Length6.5 Inches
Weight0.05 Pounds
Width3 Inches
Part Number32507
Model32507
Warrantyno warranty

3. Gates

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Gates 33638 Engine Coolant Thermostat Gasket

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Gates #ad - Product type :Auto Part. Package dimensions :7. 62 cm l x 8. 89 cm w x 11. 43 cm H. Package weight :025lbs. Country of Origin :China.
BrandGates #ad
ManufacturerGates #ad
Height0 Inches
Length0 Inches
Weight0.01 Pounds
Width0 Inches
Part Number33638
Model33638
WarrantyPlease contact retailer/seller for assistance

4. Permatex

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

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Permatex #ad - Replaces almost any cut gasket, and coats pre-cut gaskets to increase reliability. Suggested applications: Valve covers, thermostat housings, water pumps, oil pans, timing covers, transmission pans. 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.
BrandPermatex #ad
ManufacturerPermatex #ad
Height8 Inches
Length1.25 Inches
Weight0.2 Pounds
Width3.81 Inches
Part Number81160
Model81160
WarrantyLimited Manufacturer

5. Permatex

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

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Permatex #ad - First generation 1970-1980 gasket maker. Temperature range: -65F to 650F intermittent. Specially formulated for engines equipped with oxygen sensors. Suggested applications: valve covers, oil pans, timing covers, water pumps, 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

6. Permatex

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1 Pack, Permatex 27037 Optimum Black Gasket Maker 3.35 oz

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

7. Permatex

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Permatex 80022 Sensor-Safe Blue RTV Silicone Gasket Maker, 3 oz. Tube

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Permatex #ad - Coats pre-cut gaskets to increase reliability without fouling oxygen sensors. Suggested applications: Valve covers, timing covers, thermostat housings, water pumps, oil pans, transmission pans. Makes reliable 'formed-in-place' gaskets that resist cracking, shrinking and migrating. Temperature range of -65 degrees fahrenheit to 500 degrees fahrenheit intermittent. Effectively replaces almost any cut gasket.
BrandPermatex #ad
ManufacturerPermatex #ad
Height8 Inches
Length1.25 Inches
Weight0.1 Pounds
Width3.81 Inches
Part Number80022
Model80022
WarrantyLimited Manufacturer

8. Stant

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Stant 27138 Thermostat Gasket

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Stant #ad - The adhesive backing holds the thermostat securely centered in the counter bore, leaving both hands free to align and bolt down the outlet casting. Stant stat lok adhesive-backed thermostat gaskets cut installation time by as much as 50%. Gaskets are cut to specific application requirements. No sticky, toxic gasket Cement is required. With a knuckle-saving stant stat lok gasket Holding the thermostat in place, the thermostat won't Drop out or become misaligned and cause the mounting flange of the outlet casting to crack.
BrandStant #ad
ManufacturerStant #ad
Height0.12 Inches
Length6 Inches
Weight2 Pounds
Width5 Inches
Part Number27138
Model27138
WarrantyNo Warranty

9. Permatex

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Permatex 80062 High Tack Gasket Sealant, Black, 4 oz.

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Permatex #ad - Tacky paste for holding cut gaskets in place during assembly; helps seal cut gaskets. Temperature range: -65°f to 500°f -54°C to 260°C. Fit type: Vehicle Specific. Resists gasoline, antifreeze, kerosene, axle lube, oil, propane and butane; sensor-safe. Reliable, all-purpose sealant dries to a highly tacky, fast-drying, non-brittle film; remains tacky indefinitely. Suggested applications: valve covers, carburetors, fuel pumps, manifold gaskets; seals any rubber, cork, paper or composite gasket.
BrandPermatex #ad
ManufacturerPermatex #ad
Height2.75 Inches
Length2.44 Inches
Weight0.3 Pounds
Width2.44 Inches
Part Number80062
Model80062
WarrantyLimited Manufacturer

10. 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. Low odor and non-corrosive formula. Suggested applications: valve covers, timing covers, intake manifold end seals, water pumps, oil pans, thermostat housings. Maximum vibration resistance, with outstanding resistance to oils, cooling and shop fluids. Oem specified, guaranteed not to leak.
BrandPermatex #ad
ManufacturerPermatex #ad
Height8 Inches
Length1.25 Inches
Weight0.26 Pounds
Width3.81 Inches
Part Number82194
Model82194
WarrantyLIMITED WARRANTY