This machine is the new standard of sewing machines with 12" of sewing space
Alternate Part Numbers: 1000027464
Sewists at Sulky recommend that you use a size 12/80 with this thread
Please note that these kits may fit differently than your original motor
Upper Looper (Right), Singer #377600 SIOC This machine is the newGuaranteed to fit Singer Serger Models: 1831U001 3, 1831U001 4, 1831U001 5, 1831U001 6, 1831U003 3, 1831U003 4, 1831U003 5, 1831U007 2, 1831U008 5, 1831U012 3, 1831U014 5, 1832U023 6, 1832U029 8, 1842U061 3, 1842U061 4, 1842U061 5, 1842U063 3, 1842U06 4, 1842U06 5, 1842U065 5, 1842U065 6, 1842U069 5, 1842U089 5, 1842U091 3