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๐ง Seal it like a pro, drive with confidence!
The 59214 High Temperature Thread Sealant is a premium 6 ml tube formula designed to lock and seal threaded fittings under extreme conditions. It resists leakage, vibration loosening, moisture, hydraulic fluids, and diesel fuels while lubricating threads for easy assembly and disassembly. With a temperature tolerance from -65ยฐF to 400ยฐF and repositionable parts up to 4 hours post-application, itโs the go-to sealant for automotive and industrial professionals seeking reliable, long-lasting performance.


| Customer Reviews | 4.7 out of 5 stars 3,866 Reviews |
S**.
Excellent Sealant for Automotive Use!
used it to seal the differential plugs on my Ram 1500. It worked perfectly! The application was smooth and easy, and it provided a strong, leak-proof seal that gives me peace of mind. I really appreciate that itโs designed for high-temperature environments, which is essential for automotive applications. After driving for a while, Iโve had zero leaks and everything is holding up great. The tube size is convenient and has plenty of product for multiple uses. If you need a reliable, high-performance thread sealant for your vehicle, this is an excellent choice. Highly recommend for anyone doing differential or drivetrain work!
T**7
Working as intended!
It is working as intended and the quality is nice. The part fits well, feels solid, and performs reliably for the repair. I would buy it again.
B**R
Works as described
It works great and good value for some piece of mind. Somewhat slow drying so that you can make adjustments, it can be a little messy but wipes up easily and it viscosity is not to thick.
J**M
Handy little tube for home fixes
Glad i grabbed this for my husbandโs toolbox. Heโs always fixing something with the cars or the sprinkler lines and was tired of that crumbly tape stuff. One Saturday he was changing a leaky fitting on our hot water line while the kids were running through the house, and I just handed him this tube. He dabbed a tiny bit on the threads, tightened it up, and the slow drip finally stopped. i like that the tube is small enough to toss in the kitchen junk drawer so it doesnโt disappear into the garage black hole. This will probably save us a few โemergencyโ hardware store runs.
I**N
If you need it, you need it!
Permatex always makes solid products, and this high-temperature thread sealant is no exception. Applies easily, spreads well, and seals exactly as it should. It gives a clean, secure seal and holds up well under heat, which is critical for the types of applications this is used for. I like that it doesnโt make a mess and sets up properly without any issues. Once applied, you can trust it to do its job without worrying about leaks. If youโre working on anything that requires a reliable thread seal under higher temps, this is a great choice. Highly recommend ๐
H**ฤ
Works as intended!
Works exactly as intended and is really easy to use. It applies smoothly and spreads evenly, making it simple to get a clean seal without any mess. It holds up well under high temperatures and does a great job preventing leaks and loosening, which is exactly what you want for this type of product. Overall, dependable and straightforward. Solid choice if you need a reliable thread sealant.
A**R
Good value, strong hold.
It works great!
D**.
Never fails
High quality products as always with Permatex. You're not going to have leaks. And you're going to get good value for your money.
P**R
Perfect.
Then Motorcycle thermostat thread sealer. Perfect job and easy to use.
J**O
Si pega muy bien
Que es muy buen producto
H**R
Not drying
I have applied this seal on thread bolt and left it for almost 80 hours, unfortunately still not dry
A**N
The right stuff
Used this for the deadbolts in my engine build and countless other projects where heat and oil are present. Works a treat
J**E
GM Sealer is NA, hope this works!
Have not used it before put permatex is a good brand
Trustpilot
3 weeks ago
1 day ago