The Thread Lever Subassembly (Part #1013800100) 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: 1013800100 Technical Specifications Brand JACK Part Number 1013800100 Part Type Take-Up Levers Condition New – OEM Original Looking for a replacement thread lever subassembly 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.
