The LOOPER (Part #20117007) is a genuine JACK original replacement part designed for JACK JK-798D, JK-788D, JK-798TDI and JK-797DI E3 and €3 series overlock machines, as well as Siruba 700F and Speedway SW 747e, SW 757a series models. Manufactured to OEM specifications for precise fit and reliable performance. Equivalent Part Numbers JACK: 20117007 SIRUBA: LP26 Compatible Machines This part fits the following industrial sewing machine models: JACK: JK-798D, JK-788D, JK-798TDI and JK-797DI E3 Series, €3 series, 3 thread &, JK-803D, JK-804D, JK-805D, E3-3, E3-4, E3-5 SIRUBA: 700F series SPEEDWAY: SW 747e, SW 757a Technical Specifications Brand JACK Part Number 20117007 Part Type Loopers Condition New – OEM Original Looking for a replacement looper for your JACK JK-798D or JK-788D overlock machine? This genuine OEM part is also compatible with Siruba 700F and Speedway SW 747e 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.
