Specifications

LOCTITE® 506166 Blue Medium Strength Threadlocker Stick (37643, 37684 – 9g) from LOCTITE HENKEL CORPORATION is a convenient, semi-solid adhesive designed for locking and sealing threaded fasteners. Its medium-strength, removable formula prevents loosening from vibration while sealing out contaminants and moisture. Ideal for use on trucks, heavy machinery, and maintenance applications, it works in any orientation and eliminates drips or spills. Available at Wofford Truck Parts, it ensures dependable fastening and long-lasting protection.

Compatibility

Freightliner Cascadia (2008–2025)
Kenworth T680 (2013–2025)
Peterbilt 389 (2007–2025)
Volvo VNL (2008–2025)
Mack Anthem (2018–2025)
International LT Series (2017–2025)
Western Star 4900 (2015–2025)

Alternative Part Numbers

  • OEM: LOCTITE® 506166
  • 3M TL242S
  • AC Delco 24240
  • CRC 04242
  • Henkel 37684
  • John Deere TY16512
  • NAPA 765-1190
  • Permatex 24010
  • TRU-242STICK

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