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Home » Harley Parts » Sportster » Maintenance » Silicone Sealers Threadlockers
Loctite 222 MS Thread Lock and Sealant - Purple6 ml. Tube. (Formerly 222 Threadlocker) A low strength product that is perfect for small fasteners #2 to 1/4" diameter (6mm), long engagement length fasteners, and components requiring occasional adjustment. This purple threadlocker is applied to threaded parts before assembly. Disassembly possible with hand tools. 222 MS meets MIL-S-46163A.
243 Thread Locker and Sealant - Blue6 ml. Tube. Worldwide alternative / replacement for 242® Threadlocker. A medium strength, general purpose thread locking adhesive, especially well suited for fasteners between 1/4" and 3/4" diameter (6 to 20mm). Applied to threaded components before assembly, Blue 243 has controlled lubricity for accurate clamp loads. Disassembly possible with hand tools.
Loctite 290 Thread Lock and Sealant - Green6 ml. Tube. A penetrating grade threadlocking liquid, Green 290 wicks along the threads of pre-assembled fasteners to secure them in place. Also seals porosities in welds and metal parts. Ideal for fasteners ranging from #2 to 1/2" (2.2 to 12mm) in size. Localized heating and hand tools are required for disassembly.
Loctite® 271 Thread Lock and Sealant - Red 6 ml. Tube. High prevailing strength threadlocker for heavy-duty applications. Especially well-suited for permanently locking studs and press fit assemblies. Adds 3000 PSI holding power on slip and press fit assemblies. Locks against vibration loosening. Requires extra effort or special tools for removal.
