Compatible with single-needle lockstitch DIRECT DRIVE machines (any brand). The Bobbin Winder Knife (Part #11419001) is a genuine JACK original replacement part designed for JACK A4, A5, A5e and JK-5550 series lockstitch machines. Manufactured to OEM specifications for precise fit and reliable performance. Equivalent Part Numbers JACK: 11419001 Compatible Machines This part fits the following industrial sewing machine models: JACK: A4, A5, A5e, JK-5550, A5E-B, A4C, F6-HL7, A5E-B-H-7 SIRUBA: DL-7200-BM1-16, DL720-M1 SPEEDWAY: SW 8700 D, SW 8000 A SINGER: 141G-20 JUKI: DDL-9000C, DDL-9000 BROTHER: S-7300A ZOJE: A6000 Technical Specifications Brand JACK Part Number 11419001 Part Type Knives Condition New – OEM Original Looking for a replacement bobbin winder knife for your JACK A4 or A5 lockstitch 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.
