1. Part number and name: 50143403
#50143403 Upper Knife Alternate Part Numbers: A4142-335-000 (A4142335000)

 
2. Quantity: 2PCS

3. Compatibility 
This high quality Upper Knife replacement is exactly compatible with Many Domestic Serger Sewing Machines, including :  

1) Bernina (Bernette) Serger Models:
003, 003D, 004D, 006D, 007D, 008D, 009D, 1100D, 1100DA, 1150MDA, 1200DA, 1200MDA, 1300DC, 1300MDC, 2000DE, 2500DCE, 800, 700D, 800D, 800DL, MO-334, MO-334D, MO-334DS, MO-335, MO-335DS, MO-613, MO-634, MO-634D, MO-634DE, MO-634DEV, MO-664, MO-664D, MO-654DE, MO-655, MO-655DE 

2) Juki Serger Machine Models:
MO-613, MO-623, MO-634, MO-634DE, MO-644D, MO-654DE, MO-655, MO-655DE, MO-735, MO-734DE 

4.Technical supports
1) In case you are not sure if these parts are compatible with your machine, please feel free to send us a message via ebay, our technicians will provide you with professional and accurate advice in 24/7.
2)  Do not hesitate to contact us  if you run into any issue using the received parts.
3)  Please provide us with your machine brand and complete model for technical supports.