Jack 20717004 Upper Looper
Jack 20717004 Upper Looper is backordered and will ship as soon as it is back in stock.
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Jack 20717004 Upper Looper
Description
Description
The Upper Looper (Part #20717004) is a genuine JACK original replacement part designed for JACK E4s, C6, C7 and 798T series overlock machines, as well as Siruba 700K, 700L, Speedway SW 7D and Juki MO6800 series models. Manufactured to OEM specifications for precise fit and reliable performance.
Equivalent Part Numbers
- JACK: 20717004
- SIRUBA: LP226
- JUKI: 70000798
Compatible Machines
This part fits the following industrial sewing machine models:
- JACK: E4s series, C6 series, C7 series, 798T, E4, C3, C4, C5 series (Except H, M, A04, 435 model)
- SIRUBA: 700K, 700L series
- SPEEDWAY: SW 7D series
- JUKI: MO6800 series
Technical Specifications
| Brand | JACK |
| Part Number | 20717004 |
| Part Type | Loopers |
| Condition | New – OEM Original |
Looking for a replacement upper looper for your JACK E4s or C6 overlock machine? This genuine OEM part is also compatible with Siruba 700K, Speedway SW 7D and Juki MO6800 series machines. 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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