Top 10 Best Exhaust Gasket Sealant In 2022

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You can trust our selection for Exhaust Gasket Sealant Reviews. Because We have worked hard studying and analyzing 64183 reviews for Exhaust Gasket Sealant and rating them. It was a difficult job to list only ten products for Exhaust Gasket Sealant where thousands of them available online. I hope it will help you to take final decision for Best Exhaust Gasket Sealant.

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64183 reviews were considered when writing our recommendations for the Exhaust Gasket Sealant in this article.

Comparison Chart of Top 10 Exhaust Gasket Sealant

NoProductScoreAction
1Permatex 27038 Optimum Red High Temperature Gasket Maker 3.35 oz9.8Buy on Amazon
2J-B Weld 31314 High Temperature RTV Silicone Gasket Maker and Sealant - Red - 3 oz9.8Buy on Amazon
3J-B Weld 31914 Red High Temperature RTV Silicone Gasket Maker and Sealant - 10.3 oz9.8Buy on Amazon
4Permatex 80697 Copper Spray-A-Gasket Hi-Temp Adhesive Sealant9.8Buy on Amazon
5Permatex 81878 Ultra Copper Maximum Temperature RTV Silicone Gasket Maker9.6Buy on Amazon
6Mr. Gasket 77 Exhaust Gasket Performance Material9.6Buy on Amazon
7Permatex 81160 High-Temp Red RTV Silicone Gasket9.4Buy on Amazon
8Loctite SI 7657 Copper Hi-Temp Gasket Sealant Spray for Automotive: High Temp9.2Buy on Amazon
9Permatex 80335 Muffler and Tailpipe Sealer9.2Buy on Amazon
10Permatex 27036 Optimum Grey Gasket Maker 3.35 oz8.6Buy on Amazon
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1. Permatex 27038 Optimum Red High Temperature Gasket Maker 3.35 oz

  • Maximum temperature performance
  • OEM Specified, Sensor-safe, low odor, non-corrosive
  • Non-flammable, non-toxic
  • Can be used as a gasket maker or dressing and meets performance specs of OE silicone gaskets
  • Top Job Applications: Header, manifold, slip-fit exhaust parts, turbocharge and withstands up to 750°F (399°C) intermittent.

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

  • 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.
  • COUNT ON US: For more than 40 years, our products have earned a loyal following from people who take pride in their work.
  • 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, metal, oil pans, exhaust manifolds, water pumps, timing covers, differential covers, drive housings and oven doors.
  • DO IT YOURSELF: Big or small, you can DIY it with J-B.

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

  • 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.
  • 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, metal, oil pans, exhaust manifolds, water pumps, timing covers, differential covers, drive housings and oven doors.
  • DO IT YOURSELF: Big or small, you can DIY it with J-B.

4. Permatex 80697 Copper Spray-A-Gasket Hi-Temp Adhesive Sealant

  • Fast-drying, metallic copper spray adhesive/sealant helps to dissipate heat, prevents gasket burnout, and improves heat transfer.
  • Fills minor surface irregularities, fills hot spots and surface imperfections
  • Resists all types of automotive fluids, especially gasoline
  • Temperature Range: -50°F to 500°F (-45°C to 260°C)
  • Suggested Applications: Cylinder head gaskets, exhaust manifold gaskets, and other high temperature applications.

5. Permatex 81878 Ultra Copper Maximum Temperature RTV Silicone Gasket Maker

  • Most advanced, high temp RTV silicone gasket available
  • Three times more oil resistant than conventional silicones; eight times more flexible than cut gaskets.
  • Sensor-safe, low odor, and non-corrosive with superior adhesion
  • Temperature range -75F to 700F intermittent
  • Suggested Applications: Exhaust manifolds/headers, valve covers, oil pans, timing covers, water pumps, thermostat housings.

6. Mr. Gasket 77 Exhaust Gasket Performance Material

  • Enables you to build your own infinitely customizable gaskets
  • Made of a heat resistant tear resistant compressed fiber laminate
  • can be trimmed into any configuration to meet your exact specifications
  • Comes in a 10 inch by 10 inch square

7. Permatex 81160 High-Temp Red RTV Silicone Gasket

  • Formulated for hi-temp applications, or heavy-duty use
  • 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
  • Temperature range of -65F to 650F intermittent
  • Suggested Applications: Valve covers, oil pans, timing covers, water pumps, thermostat housings, transmission pans.

8. Loctite SI 7657 Copper Hi-Temp Gasket Sealant Spray for Automotive: High Temp

  • Fast-drying, metallic copper sealant that helps dissipate heat
  • Prevents gasket burnout and improves heat transfer
  • Seals instantly
  • Resists all types of automotive fluids, especially gasoline
  • Typical applications include cylinder head gaskets, carburetor gaskets, exhaust manifold gaskets and other high temperature applications.

9. Permatex 80335 Muffler and Tailpipe Sealer

  • Seals holes and leaks in mufflers, tailpipes and around joints
  • Makes new installations more secure
  • Waterproof, non-shrinking paste formula; shock resistant
  • Temperature Range: up to 2000°F (1000°C)
  • Suggested Applications: Mufflers, tailpipes, joints, and catalytic converters; exhaust system must be cool before applying.

10. Permatex 27036 Optimum Grey Gasket Maker 3.35 oz

  • Sensor-safe, low odor, and non-corrosive.
  • Maximum vibration resistance, with outstanding resistance to oils, cooling fluids, and shop fluids.
  • Maximum temperature resistance: -65F to 700f(-54 DegreeC to 371 DegreeC) intermittent.
  • The most Advanced, high Temp RTV silicone gasket maker Available.
  • Includes 2 nozzles.

Final Word


So, listed above are all of the Best Exhaust Gasket Sealant that you can consider buying for your needs.
If you find any product featured here incorrect, irrelevant or simply outdated, please let us know by dropping a comment below. We will update as early as possible

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