The LOWER LOOPER (Part 20117008) is a genuine JACK original replacement part designed for JACK JK-798D, JK-788D and JK-798TDI and JK-797DI E3 series overlock machines, as well as Siruba 700F and Speedway SW 747e series models. Manufactured to OEM specifications for precise fit and reliable performance.
Equivalent Part Numbers
JACK: 20117008
SIRUBA: KL25
Compatible Machines
This part fits the following industrial sewing machine models:
JACK: JK-798D, JK-788D, JK-798TDI and JK-797DI E3 Series
SIRUBA: 700F series
SPEEDWAY: SW 747e
Technical Specifications
Brand
JACK
Part Number
20117008
Part Type
Loopers
Condition
New – OEM Original
Looking for a replacement lower 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.
