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Product Details

Permatex High Temperature Thread Sealant is an OEM specified product that locks and seals threaded fittings. Resists leakage, vibration loosening, moisture, hydraulic fluids and diesel fuels. (Formerly called Loctite 592) Has even higher temperature tolerance than the High Performance Thread Sealant. For applications requiring gasoline fuel resistance, try Form-A-Gasket No. 3.

Lubricates threads for easy assembly and disassembly. Won't shred or wear like Teflon TM tape. Parts may be repositioned up to 4 hours after application. Temperature range from -65F to 400F (-54C to 204C). Contains PTFE.

Tech Specs
Product Benefits Typical Applications
Resists leakage, vibration loosening, moisture, hydraulic fluids, diesel fuels.Head bolts into through holes
Lubricates threads for easy assembly and disassembly.Oil PSI sending units / sensors
Will not shred or wear like Teflon tape.Oil and coolant lines
Parts may be repositioned for up to 24 hours afterFuel fittings
Suited for temperatures up to 400F (204C).Rear axle fill plug
Brake and power steering fittings

Reviews for Permatex High Temperature Thread Sealant

2 of 2 Reviews

November 19, 2017

Worked on Rochester Carb
By Brentt from Okla

I used this on the threads of the fuel inlet fitting of a Rochester carb, and it stopped the leak. Simply spread it on and tighten. No need to wait for drying. I had previously tried Teflon tape with no luck.

Bottom Line Yes, I would recommend to a friend

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July 8, 2008

Good high temp goop
By John from Stuart, FL

Does a much better job than old style pipe dope and easier to use than teflon tape. Handles high temps better than both. Works good when using straight pipe with tapered fittings.

Bottom Line Yes, I would recommend to a friend

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