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RADYAN  |  SKU: gstartfp-B3103804000-B3103804000

Tension Spring JUKI Heavy-Duty for MO-3900 Series - B3103804000

$9.99 $14.27
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Replacement Tension Spring for JUKI Sewing Machines

This JUKI tension spring is a replacement sewing machine part designed to help maintain consistent thread tension in compatible machines. It is identified by part number B3103804000 and also cross-references to B31038-04-000, B3103804-000, 144110-101, 41-702, and 201086.

Use this part when you need a dependable replacement for compatible JUKI overlock and related machine models. Proper tension control is essential for balanced stitching, smooth operation, and reliable seam quality, making this a practical maintenance part for repair shops, technicians, and machine owners.

Compatible JUKI models include:
  • MO-3900
  • MO-3904
  • MO-3914
  • MO-3916
  • MOC-3904
  • MOC-3914
  • MO-3704E
  • MO-3714E
  • MO-3716E
  • MOR-3900
  • MOF-3900
  • MOJ-3900

Choose this replacement spring for a straightforward fit on supported JUKI machines when restoring or servicing the tension assembly.

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