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🔧 Seal it like a pro — no leaks, no worries!
Permatex 59214 High Temperature Thread Sealant is a premium silicone-based paste designed to lock and seal threaded fittings against leaks, vibration loosening, and moisture. It operates effectively across a wide temperature range (-65°F to 400°F), is compatible with metals and plastics, and allows parts to be repositioned within 4 hours of application. Trusted by professionals for reliable, durable sealing in automotive and industrial applications.

| Asin | B0002UEOP0 |
| Best Sellers Rank | 12,053 in DIY & Tools (See Top 100 in DIY & Tools) 244 in Sealers |
| Brand | Permatex |
| Customer Reviews | 4.6 4.6 out of 5 stars (3,862) 4.6 out of 5 stars |
| Date First Available | 14 Aug. 2012 |
| Exterior | Painted |
| Guaranteed Software Updates Until | unknown |
| Item Model Number | 59214 |
| Item Weight | 10 g |
| Manufacturer | Permatex |
| Manufacturer Part Number | 59214 |
| Model | Permatex 59214 |
| Oem Part Number | MB-CL1 |
| Product Dimensions | 1.75 x 9.68 x 16.51 cm; 10 g |
User
Seals and holds!
I’ve used this on air hose ends to seal perfectly and I’ve used this on multiple threads in including turbo oil feeds, oil cooler feeds, oil temp sensor feeds. I really like how it stops threads backing out under vibration too.
User
Perfect.
ThenMotorcycle thermostat thread sealer. Perfect job and easy to use.
User
Does the job
Awesome
User
Always Up Tight
Does what it says on the tin excellent
User
Fantastic
Used this on a bleed nipple for a rear brembo brake caliper for a motorcycleWithin seconds I was able to bleed the caliper with no air leakageI had spent days rebuilding the caliper numerous times only to have the same problemThis sorted my problem in second'sAir had been passing by the bleed nipple
User
Leak solved!
Solved a persistent little diesel leak on a compression fitting and much better than using PTFE tape
User
Quality item
Does exactly what we needed, recommended
User
Looks as though ut will solve problem.
Irritating leak on one cylinder feed on 1959 Massey 35. Hoping this product will cure connection.
User
Si pega muy bien
Que es muy buen producto
User
Not drying
I have applied this seal on thread bolt and left it for almost 80 hours, unfortunately still not dry
User
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
User
Good solution to high temp thread sealing.
Sealed the new PCV in my son's Outback. Stays liquid long enough to be threaded in.
User
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