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Permatex

Permatex is renowned for high-performance adhesives, sealants, and automotive additives that deliver reliable sealing and repair solutions for industrial and DIY applications.

13 products Updated March 4, 2026

Permatex Products (13)

1
Prime

Permatex 81182 Gear Oil RTV Gasket Maker 3 oz - OEM-Tested Silicone for Leak-Proof Differentials & Transfer Cases

Permatex
9.9
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Exceptional resistance to gear oil breakdown
  • Superior leak path detection and sealing
  • Quick 1-hour skin dry with 24-hour full cure
  • Versatile for both gasket making and sealing cut gaskets
  • Easy application with precise nozzle control

Cons

  • Requires full 24-hour cure for maximum strength
  • Packaging may vary slightly
  • Best suited specifically for gear oil applications
2
Prime

Permatex 64040 High Temperature Sleeve Retainer 36ml - 3000 PSI Anaerobic Adhesive for Cylinder Sleeves & Bearings

Permatex
9.9
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Exceptional 3,000 PSI holding power
  • High temperature resistance for engine applications
  • Versatile for multiple automotive and industrial uses
  • Prevents corrosion and restores fit accurately
  • High user ratings confirm reliability

Cons

  • Requires metal contact and absence of oxygen to cure fully
  • Best for specific high-temp applications, not general use
  • May need disassembly for application on some parts
3
-42%
Permatex 85080 Ultra Black RTV Silicone Gasket Maker - Max Oil Resistance, Sensor-Safe, Flexible Sealant, 9.5 oz PowerBead
Prime

Permatex 85080 Ultra Black RTV Silicone Gasket Maker - Max Oil Resistance, Sensor-Safe, Flexible Sealant, 9.5 oz PowerBead

Permatex
9.8
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Outstanding resistance to oils, coolants, and vibration
  • Retains flexibility for high-stress applications
  • Sensor-safe and low-odor for comfortable use
  • Versatile for multiple engine components
  • Meets OE gasket specifications

Cons

  • Requires 8-hour cure time for full strength
  • Larger 9.5 oz size may exceed needs for small jobs
  • PowerBead applicator takes practice for precision
4
-12%
Permatex 82180 Ultra Black RTV Silicone Gasket Maker - Sensor-Safe, Oil-Resistant, Non-Corrosive for Oil Pans, Timing Covers, 3 oz
Prime

Permatex 82180 Ultra Black RTV Silicone Gasket Maker - Sensor-Safe, Oil-Resistant, Non-Corrosive for Oil Pans, Timing Covers, 3 oz

Permatex
9.8
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Exceptional flexibility and oil resistance for demanding applications
  • OEM-specified performance meets dealership standards
  • Resists shop fluids, coolants, and vibration effectively
  • Easy application eliminates need for pre-cut gaskets
  • Broad compatibility with aluminum, bi-metal, and plastics

Cons

  • Requires full 8-hour cure time before full service
  • 3 oz tube may need multiple for large sealing jobs
  • Best suited for specific high-flex, oil-exposed areas
5
Prime

Permatex 57535 Blue Threadlocker Sealant - High Strength Seal & Lock Compound for Pipes, Bolts, Fittings, Leak-Proof to 1000 PSI, 35ml

Permatex
9.8
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Superior airtight and watertight sealing combined with threadlocking strength
  • Versatile for stainless steel fittings, oil PSI units, and intake manifold switches
  • Immediate low-pressure sealing and full cure without cracking
  • Solvent and fluid resistant for automotive and industrial use

Cons

  • Designed specifically for metal tapered pipe threads, not plastic or straight threads
  • Medium strength requires hand tools for removal, not heat or special solvents
  • Best for fittings up to 3/8 inch, less ideal for very large diameters
6
Prime

Permatex 20539 Indian Head Gasket Shellac Compound 2 oz - Original Hard-Setting Sealant for Engines

Permatex
9.8
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Broad temperature resistance from freezing to high heat
  • Strong resistance to fuels and common shop chemicals
  • Proven original quality for trusted results
  • Suitable for wide range of vehicle types
  • Cost-effective for everyday mechanic use

Cons

  • Limited to low-pressure applications only
  • Not ideal for high-temperature or high-pressure scenarios
  • Small 2 oz size may require multiple purchases for large jobs
7
Prime

Permatex 81158 Black RTV Silicone Adhesive Sealant, 3 oz Tube - Waterproof, Flexible, -75°F to 450°F for Auto, Marine & Home Repairs

Permatex
9.8
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Versatile bonding for glass, plastics, fabric, and weather stripping
  • Superior resistance to water, weather, vibration, and chemicals
  • Wide temperature range ensures durability in freezing cold or high heat
  • Sensor-safe and low odor for safer, user-friendly application
  • Ideal for auto, marine, and home uses like windshields and electrical repairs

Cons

  • Requires clamping surfaces for 1 hour or until firm for best adhesion
  • Not recommended for engine gasket applications
  • Black color may show on light-colored surfaces
8
Prime

Permatex 80050 Clear RTV Silicone Adhesive Sealant 3 oz - Waterproof Flexible Multi-Surface Bond for Indoor Outdoor Repairs

Permatex
9.8
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Multi-surface adhesion on glass, metal, plastics, and fabrics
  • Superior resistance to water, weather, vibration, and extreme temperatures
  • Low-odor formula safe for indoor applications
  • Flexible cure maintains seals under movement and stress
  • Quick application for seams, roofs, door frames, and electrical connections

Cons

  • Not recommended for windshield installation
  • Unsuitable for engine gasket applications
  • Requires curing time before full strength
9
Prime

Permatex 27828 Heavy Duty Headliner & Carpet Adhesive Spray, 16.75 oz - High Temp, Water-Resistant for Auto Interiors

Permatex
9.6
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Exceptional strength on foam, fabric, plastic, and rubber materials
  • Resists extreme weather and high heat for reliable performance
  • User-friendly aerosol design with multiple spray patterns
  • VOC compliant and suitable for professional automotive repairs
  • Broad applications from cars to boats

Cons

  • May damage some plastics or painted surfaces without proper masking
  • Requires 24-hour full cure for maximum strength
  • Potential for overspray if not applied carefully
10
Prime

Permatex 80045 Pipe Joint Compound - Universal Thread Sealant for Water, Oil & Fuel Lines, 16.2 oz Bottle

Permatex
9.6
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Wide temperature tolerance for diverse environments
  • Effective lubrication reduces wear during installation
  • Easy disassembly without breaking fittings
  • Versatile for water, oil, and fuel systems
  • Proven resistance to shop chemicals

Cons

  • Paste consistency can feel messy during application
  • Large bottle may be excessive for one-off small jobs
  • Not ideal for extremely high-pressure gas lines
11
Prime

Permatex 30303 Power Steering Stop Leak 12 oz - Stops Leaks Fast, Revitalizes Seals & O-Rings for Smooth Steering

Permatex
9.5
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Quickly and effectively stops leaks
  • Revitalizes seals to avoid future issues
  • Easy to use without tools or equipment
  • Suitable for all skill levels from DIY to pros

Cons

  • May not address severe mechanical damage
  • Requires monitoring fluid levels post-application
  • Effectiveness can vary by leak severity
12
Prime

Permatex 09103 Windshield Repair Kit: Permanent Air-Tight Fixes for Chips & Cracks Up to 1.25", Easy DIY Syringe, 9-Piece Kit

Permatex
9.4
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Simple syringe applicator with spring-lock for precise resin delivery
  • Cures naturally in daylight, no UV lamps required
  • Includes all tools like curing film, razor, and prep pad for clean results
  • Proven for bullseye, star, and small crack repairs
  • User-friendly instructions with photos for first-timers

Cons

  • Limited to bullseye damage up to 1 1/4" diameter
  • Requires natural sunlight for curing, not suitable for indoor or nighttime use
  • Best on laminated windshields, may not work on all glass types
13
-17%
Permatex 16067 Bullseye Windshield Repair Kit - Easy DIY Bullseye Chip Fix up to 1.25", No Mix, Sun Cure
Prime

Permatex 16067 Bullseye Windshield Repair Kit - Easy DIY Bullseye Chip Fix up to 1.25", No Mix, Sun Cure

Permatex
9.3
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • User-friendly with no special tools or mixing required
  • Repairs up to 1 1/4" bullseye damage effectively
  • Produces clear, nearly invisible results
  • Safe for most laminated windshield glass

Cons

  • Limited to bullseye damage only, not cracks or stars
  • Requires direct sunlight for curing
  • Small .025 oz syringe may limit multiple repairs

Permatex Brand Guide

Permatex stands out as a leading brand in the world of adhesives, sealants, and automotive maintenance products. Known for its robust solutions in industrial and scientific applications as well as automotive care, Permatex offers everything from silicone adhesives to specialized additives that tackle leaks and wear in power steering systems. Whether you're a professional mechanic or a dedicated DIY enthusiast, Permatex products provide the durability and performance needed for tough jobs.

Brand Overview and What Makes Permatex Stand Out

With a focus on innovation and reliability, Permatex has built a solid reputation for products that withstand extreme conditions. Their lineup emphasizes versatility, making them suitable for a wide range of sealing, bonding, and revitalizing tasks. What sets Permatex apart is the consistent quality across their offerings—formulas that are easy to apply, quick to set, and long-lasting in demanding environments like high-heat engines or harsh industrial settings.

Permatex products are engineered to solve real-world problems efficiently. For instance, their silicone adhesives form flexible, waterproof seals that resist vibration and temperature fluctuations, while automotive additives target specific issues like fluid leaks without compromising system integrity. This targeted approach ensures users get professional-grade results without complexity.

Product Quality and Reputation

Permatex earns praise for its commitment to superior materials and rigorous testing. Each product undergoes development to meet or exceed industry standards, ensuring they perform reliably over time. Users appreciate the brand's ability to deliver products that not only fix problems but also prevent future ones, fostering trust among mechanics, technicians, and hobbyists alike.

The brand's reputation is bolstered by its presence in both professional workshops and home garages. Permatex emphasizes user-friendly packaging and clear application instructions, reducing errors and maximizing effectiveness. This reliability translates to fewer repeat repairs and greater confidence in every application.

Key Product Categories

Permatex excels in several essential categories, starting with high-quality Adhesives. Their silicone adhesives, such as the Clear RTV Silicone Adhesive Sealant, are ideal for creating airtight, flexible bonds on metal, glass, and plastic surfaces. These are perfect for gaskets, hoses, and general sealing in engines or machinery.

In the automotive sector, Permatex shines with additives for oils and fluids. Products like the Power Steering Stop Leak effectively address leaks by revitalizing seals and O-rings, restoring smooth operation to steering systems. Explore more options in our Power Steering Fluids category to see how Permatex fits into your maintenance routine.

Beyond these, Permatex covers lubricants and sealants that enhance overall vehicle and equipment performance. When browsing Adhesives, you'll find Permatex options tailored for industrial precision, while Power Steering Fluids highlight their automotive expertise.

Who Are Permatex Products Best For?

Permatex serves a broad audience, from professional automotive technicians needing dependable sealants for fleet repairs to homeowners tackling weekend projects. Industrial users benefit from the adhesives' resistance to chemicals and weathering, making them suitable for manufacturing and maintenance tasks.

  • DIY Enthusiasts: Easy-to-use formulas for home repairs like fixing leaks or sealing parts.
  • Mechanics and Shops: High-volume, reliable products that save time and reduce downtime.
  • Industrial Professionals: Durable solutions for heavy-duty equipment sealing.

No matter your skill level, Permatex delivers results that hold up under pressure.

Frequently Asked Questions

What types of adhesives does Permatex offer?

Permatex specializes in silicone-based adhesives like RTV sealants, perfect for high-temperature and flexible bonding applications. Check our Adhesives category for more.

Can Permatex products fix power steering leaks?

Yes, their Power Steering Stop Leak formula revitalizes seals and O-rings to stop leaks effectively. It's a popular choice in Power Steering Fluids.

Are Permatex products suitable for professional use?

Absolutely, with proven durability and performance, they're trusted by pros for industrial and automotive repairs.

How do Permatex sealants compare to others?

They stand out for superior adhesion, flexibility, and resistance to extreme conditions, making them a top pick for reliability.

Where can I find Permatex products?

Permatex items are available in adhesives and automotive fluid sections, including our curated category pages for easy shopping.