Genuine OEM-quality replacement part. Model-specific (internal/rotating part) — compatible with the machine models listed below.
The Bobbin Winder Assy (Part 1383103900) is a genuine JACK original replacement part designed for JACK industrial sewing machines. Manufactured to OEM specifications for precise fit and reliable performance.
Equivalent Part Numbers
JACK: 1383103900
Technical Specifications
Brand
JACK
Part Number
1383103900
Part Type
Part
Condition
New – OEM Original
Looking for a replacement bobbin winder assy for your JACK industrial sewing machine? This genuine OEM part ensures reliable performance and precise fit. Shop with confidence — all parts ship from Miami, FL.
⚠️ Compatibility Notice: Always verify your machine model and subclass number before ordering. Part numbers and compatibility are provided as a reference only. Supra Sewing is not responsible for purchases made without confirming compatibility with your specific machine. All sales on replacement parts are final.
