The KNIFE (Part 155219001) is a genuine JACK original replacement part designed for JACK S5, S7 Speedway SW 591Q SW 818D fixed knife and 6691 series industrial sewing machines. Manufactured to OEM specifications for precise fit and reliable performance.
Equivalent Part Numbers
JACK: 155219001
Compatible Machines
This part fits the following industrial sewing machine models:
Looking for a replacement knife for your JACK S5 or S7 Speedway SW 591Q SW 818D fixed knife 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.
