Janome parts and accessories
Janome Overlocker Knives 790005005 & 788013009 - Select Option
Choose the correct Janome accessory or replacement component by matching the part reference and the requirements below.
Will this fit my machine?
Choose by the model, part number or specification below. The 5mm, 7mm and 9mm foot groups do not determine the fit of this item.
What you need to know
Select the top knife, bottom knife or two-piece set. Top knife 790005005 and bottom knife 788013009 have different model lists. For ML544D, the NZ guide specifies upper knife 788127007; for 1110DX, upper knife 788011007. Do not select this top knife or set for those models.
Compatible models by knife option
Top knife ; 790005005
MyLock 504D, MyLock 644D and MyLock 554D.
Bottom knife ; 788013009
AirThread 2000D; MyLock 654D, 554D, 454D, 644D, 544D and 184D; 9102D; 8002DX; 8004D; 1110DX.
Two-piece knife set
The checked NZ reference explicitly lists both supplied blade numbers for MyLock 644D and MyLock 554D. Confirm the complete blade pair for any other model.
Fitting and use
- Compare the exact blade and model. Ask us about installation before replacing it.
- Upper knife. The NZ reference specifies 788127007 for ML544D and 788011007 for 1110DX; do not order 790005005 for those models without separate confirmation.
Need help choosing?
Have your full machine model and the part number ready. We can help you check the fitting before you buy.
Compatibility sources and review
Reviewed 25 September 2026. The model list is a checked reference, not a complete list of every Janome machine made.
Janome New Zealand September 2026 reference, pages 59.