US Part Number: 57535
Canada Part Number: N/A

Permatex Seal + Lock Thread Compound

The Next Generation of Thread Compounds!

Permatex™ Seal + Lock Thread Compound is a one-of-a-kind product that combines the power of a thread sealant and a threadlocker into one. Current products on the market can only seal or lock, but Permatex has created a revolutionary product that does both. With this hybrid thread compound, sealed connections will not loosen and locked fittings will not leak.


  • Creates air and water tight seal
  • Seals to 1000 psi
  • Locks to 120 lbs. sq. in.
  • Temperature resistant between -60 °F to 300 °F
  • Solvent resistant
  • Immediate low pressure sealing
  • Resists all common shop fluids
  • Cures without cracking
  • Removable with hand tools


  • Threaded freeze plugs
  • Oil pressure sensor
  • Fuel line supply nuts and bolts
  • Threaded fuel injectors
  • Coolant temperature
  • sensor
  • Power steering cooler line nuts
  • Brake master cylinder line nuts
  • A/C systems
  • Plumbing systems
  • Hydraulic


  • Metal plumbing connections
  • Gardening hose and sprinkler connections
  • Metal pipe plugs
US Item # CDN Item # Container Size Case
57535N/A1.18 Fl Oz
US Item # Tech Doc File
57535 TDS  SDS