Genuine Lower Looper S40866001 for Brother EF4-N21 Sewing Machine
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Genuine Lower Looper for Bulky Knit Fabrics – Genuine Brother for N21-57 Series
Upgrade your Brother N21-57 overlock machine with this genuine lower looper (S40866-0-01 / S25795-001). Designed specifically for bulky knit fabrics, this premium replacement part ensures smooth thread looping, precise stitch formation, and reliable machine performance. Perfect for replacing worn or damaged loopers, it helps maintain consistent stitching and extends the lifespan of your overlock machine, delivering professional-quality results every time.
✔ Free shipping on orders over $99
✔ Ships from our USA (Georgia) office when in stock
✔ Weekly restocking from Japan, China, Bangladesh, and Turkey warehouses
✔ 3–7 business days handling time
✔ Compatible with multiple industrial sewing machines
✔ Carefully inspected before shipment
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⚠️ Please confirm your machine model before ordering