Vehicle Maintenance & Repair Thread Sealants

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LOCTITE® thread sealant solutions for the professional mechanic.          

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Select the right thread sealant for your needs:

LOCTITE White Thread Sealant 592 (Controlled Strength)


Locks and seals threaded fittings. Parts may be repositioned up to 24 hours after application. Slow cure, high temperature.


LOCTITE White Thread Sealant 565 (Medium Strength)           Formulated specifically for metal, tapered pipe thread fittings. Loctite 565 replaces most tapes and pipe dopes. Cures rapidly to withstand 10,000 psi. Perfect as a replacement for pre-coated parts.





LOCTITE Thread Sealant with PTFE

Non-hardening, solvent based, general purpose thread sealant with the added lubricity of PTFE for metal pipes. Won't shred like tape and allows easy disassembly. Resists common shop fluids.


LOCTITE Head Bolt & Water Jacket Sealant 


Single-component anaerobic hybrid that lubricates fasteners during assembly, seals gaps between threads, eliminates corrosion, locks and eases removal of fasteners that are through-holes into water jackets.


LOCTITE Purple Thread Sealant 545

Pipe sealant designed for the locking and sealing of metal pipes and fittings. This product is specially formulated to offer high lubricity for easy assembly and removal.


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