Direct Sewing · Juki domestic parts & accessories
Juki Air Overlocker Threading Wire 40138981
A replacement looper-threading tool for the documented Juki air-threading overlockers.
Part / product reference40138981
Will it fit my Juki?
Documented models
Match the full name on your machine, then read the fitting conditions above.
- MO-1000
- MO-2000QVP
Model missing? The list covers the manufacturer references checked, not every older or regional version. Ask us to check the complete model rather than choosing by the family name alone.
What it does
- Use it only as directed in your machine's threading instructions.
- Match reference 40138981 when replacing a lost tool.
- This is a threading aid, not a replacement air pump or looper.
Let us help you choose
Send the full machine model, the part reference above and a photo of the original part. We can check the details with you.
Ask Direct SewingJuki model & part finderFitting sources and instructions
Checked September 2026. Read your machine manual for setup. Regional versions, complete assemblies and individual components can carry different references.