The Genuine Juki Serger Replacement Upper Knife fits Juki MO100, MO600, and MO700 Series Machines and More.
Juki Models: MO-623, MO-634, MO-634D, MO-613, MO-634DE, MO-664, MO-644D, MO-654DE, MO-655, MO-655DE, MO-735
Bernina / Bernette Models: 003, 004, 006D, 007D, 008D, 009D, 1100DA, 1200DA, 1300DC, 334, 334D, 334DS, 335, 335DS, 700D, 800D, 800DL
Alternate Part Numbers: 50143403, A4142-335
