JACK 21317002 Overlock Lower Knife / E4S / C5 / C6 / C7
JACK 21317002 Overlock Lower Knife / E4S / C5 / C6 / C7 is backordered and will ship as soon as it is back in stock.
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JACK 21317002 Overlock Lower Knife / E4S / C5 / C6 / C7
Description
Description
The Overlock Lower Knife (Part #21317002) is a genuine JACK original replacement part designed for JACK JK-E4S, C5, C6 and C7 series overlock machines. Manufactured to OEM specifications for precise fit and reliable performance.
Equivalent Part Numbers
- JACK: 21317002
Compatible Machines
This part fits the following industrial sewing machine models:
- JACK: JK-E4S series, C5, C6, C7
Technical Specifications
| Brand | JACK |
| Part Number | 21317002 |
| Part Type | Knives |
| Condition | New – OEM Original |
Looking for a replacement overlock lower knife for your JACK JK-E4S or C5 overlock 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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