Jack 40919003 KNIFE
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Jack 40919003 KNIFE is backordered and will ship as soon as it is back in stock.
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Equivalent part numbers
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Jack 40919003 KNIFE
Description
Description
The KNIFE (Part #40919003) is a genuine JACK original replacement part designed for JACK JK-T373, JK-T1377, Speedway SW 373D and SW 1377 Juki MB-373 Fixed counter Knife series button sewing machines. Manufactured to OEM specifications for precise fit and reliable performance.
Equivalent Part Numbers
- JACK: 40919003
- JUKI: B2410-373-000
Compatible Machines
This part fits the following industrial sewing machine models:
- JACK: JK-T373, JK-T1377 series, Speedway SW 373D, SW 1377 Juki MB-373 Fixed counter Knife, JK-1373
Technical Specifications
| Brand | JACK |
| Part Number | 40919003 |
| Part Type | Knives |
| Condition | New – OEM Original |
Looking for a replacement knife for your JACK JK-T373 or JK-T1377 button 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.
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