Compatible with modern JACK coverstitch machines (W4/W5/K5/K6/K7) and most industrial coverstitch machines (Juki MF, Kansai, Siruba, Pegasus).
The Coverstitch Tension Clamp Assy (Part 3101300800) is a genuine JACK original replacement part designed for JACK W4D, K5 and JK-K5 coverstitch series coverstitch machines. Manufactured to OEM specifications for precise fit and reliable performance.
Equivalent Part Numbers
JACK: 3101300800
Compatible Machines
This part fits the following industrial sewing machine models:
Looking for a replacement coverstitch tension clamp assy for your JACK W4D or K5 coverstitch 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.
