Top 5 Best High Temp Exhaust Gasket Sealants (2020 reviews)

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There are plenty of options available while buying regular usage gasket sealant in the market right now, and if you’re confused regarding which one to go for, you have landed on the right page.

We have been comparing these gasket sealants for more than 2 years. We have probably dealt with more products and accessories than almost any team on the planet, so we have a particularly experienced perspective and depth of knowledge when it comes to these items.

Note: Just because we didn’t mention a gasket sealant in this guide doesn’t mean it’s not good. The following are simply our picks for the best gasket sealants for most people – you may have specific needs , that make a different gasket sealant better for you.

The Permatex High Temp Exhaust Gasket Sealant‘s superior materials makes sure that it ages well with use. The permatex high temp exhaust gasket sealant comes with a temperature range of -65f to 650f intermittent. For best results, surfaces should be clean and dry. Also, it is used to coat the pre-cut gasket to increase reliability. Most importantly, the permatex high temp exhaust gasket sealant offers significant performance advantages which include outstanding oil resistance, excellent torque retention and hi-temp, sensor-safe properties.


In This Article:


Top 5 Best High Temp Exhaust Gasket Sealants

#BrandRating
1Permatex High Temp Exhaust Gasket Sealant – Best Overall 4.7
2Permatex High Temp Exhaust Gasket Sealant – Best Runner Up 4.7
3Jb Weld High Temp Exhaust Gasket Sealant – Best Premium 4.3
4Jb Weld High Temp Exhaust Gasket Sealant – Best Adhesion 4.6
5Berkebile Oil 2 2 High Temp Exhaust Gasket Sealant4.1


1. Permatex High Temp Exhaust Gasket Sealant – Best Pick

The Permatex High Temp Exhaust Gasket Sealant is specially designed for your regular usage and has plenty of most useful features. Permatex high-temp red rtv silicone gasket maker is formulated for high temperature applications or heavy-duty use such as towing. Permatex high temp red replaces almost any cut gasket by making reliable ‘formed-in-place’ gaskets that resist cracking, shrinking and migrating caused by thermal cycling. To sum up, with 4.7 rating and more than 9984 buyers, the permatex high temp exhaust gasket sealant stands as the best choice.

Almost all buyers found that the gasket sealant works well, but messy to add to that it is great with a orange chevy engine. In addition, they say that this is the best silicone “form a gasket” type product for use on engines or other automobile needs.

Top Customer Quotes:

  • Let dry for one hour then tighten to torque specifications
  • Allow 24 hours to fully cure before filling with fluids or returning to service
  • Temperature range of -65f to 650f intermittent
  • Product does what it is supposed to

2. Permatex High Temp Exhaust Gasket Sealant – Best Runner Up

The features department is where Permatex High Temp Exhaust Gasket Sealant truly manages to shine. The permatex high temp exhaust gasket sealant is designed for superior adhesion to oily surfaces and long term durability. Valve covers, oil pans, intake manifold end seals, timing covers, and differential covers. This gasket maker meets performance specs of oe silicone gaskets and is oem specified. Above all, the permatex hightemp exhaustgasket sealant

Most customers opine that the gasket sealant works well though to add to that include a cap, or even a few extra nozzles. In addition, a few strongly agree that the gasket sealant makes excellent custom-sized non-slip pads for use with any variety of surface-contact objects. Moreover, a few strongly agree that this rtv has many uses and is an excellent product to have on hand. To sum up, most buyers found the gasket sealant is functionally comfort, and no one question it.

Top Customer Quotes:

  • Permatex always has the right gasket maker for your application
  • Sensor-safe, non-corrosive formula designed for superior adhesion to oily surfaces and long term durability
  • Just completely rebuilt a chevy 5.7l motor
  • Temperature range -65°f to 500°f (-54°c to 260°c) intermittent

3. Jb Weld High Temp Exhaust Gasket Sealant – Best Premium

The Jb Weld High Temp Exhaust Gasket Sealant should be able to handle its purpose and duties with ease. The jb weld high tempexhaust gasketsealant is great for many automotive applications. Big or small, you can diy it with j-b. And, this is designed for use in mechanical assemblies where the existence of higher, continuous temperatures up to 550º f or 650º f intermittent might exist. Most importantly, the jb weld high temp exhaust gasket sealant is ideal for automotive, metal, oil pans, exhaust manifolds, water pumps, timing covers, differential covers, drive housings and oven doors.

One customer says – “Definitely an effective and inexpensive solution for making molds. “.Most customers quickly discovered that the gasket sealant works awesome for making cylinder head port molds for port development analysis. Overall, the tone of buyers is very positive and we believe that the gasket sealant suits the purpose.

Why We Like This:

  • Manufacturer says: our heavy duty adhesives repair & restore it right the first time
  • Choose the product pros trust for your project
  • One of the new comers and featured product

4. Jb Weld High Temp Exhaust Gasket Sealant – Best Adhesion

Jb Weld offers a variety of gasket sealant for personal choice and yet maintaining quality in all the variants. The Jb Weld High Temp Exhaust Gasket Sealant is designed for use in mechanical assemblies where the existence of higher, continuous temperatures up to 550º f or 650º f intermittent might exist. Make sure this fits by entering your model number. In addition, the gasket sealant is ideal for automotive, metal, oil pans, exhaust manifolds, water pumps, timing covers, differential covers, drive housings and oven doors. Most importantly, the jb weld hightemp exhaustgasket sealant is great for many automotive applications.

Almost all customers opine that the gasketsealant is great for working on many tasks. In addition, they say that the gasket sealant is great for sealing piping holes in custom builds to maximize airflow and touch sealing leads and cables.100% satisfied. In addition, a few strongly agree that the gasket sealant is good bond for medium high-temp applications.

Top Customer Quotes:

  • Manufacturer says: our heavy duty adhesives repair & restore it right the first time
  • Big or small, you can diy it with j-b
  • Like a lot of adhesives the product is not finished until it cures
  • Choose the product pros trust for your project

5. Berkebile Oil 2 2 High Temp Exhaust Gasket Sealant

We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate gasket sealant. The Berkebile Oil 2 2 High Temp Exhaust Gasket Sealant is exactly that – it’s a simple gasket sealant that hits all the right notes. The berkebile oil 2 2 high tempexhaust gasket sealant is designed as a replacement for gaskets, seals, and gasket dressings. Berkebile oil 2 + 2 rtv silicone instant gasket makers are a paste-like, one-component material which cures to a tough, rubbery solid upon exposure to moisture in the air. This sealant can be applied on overhead or on sidewall joints and surfaces without sagging, slumping, or running off.

Most importantly, the berkebile oil 2 2 high temp exhaust gasket sealant is 20 pounds per inch after 72 hours cure-time at room temperature.

Why We Like This:

  • Meets oem specifications for use near engine sensors
  • This is specifically formulated to resist high temperatures to 650ofarenheit
  • One of the new comers and featured product