Genuine Bobin Case Tension Spring 40394NS 52237NBL for Brother S-1000A Sewing Machine
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Genuine Bobbin Case Tension Spring 40394NS / 52237NBL is designed for Brother S1000A sewing machines, ensuring smooth and consistent thread tension during stitching. This high-quality spring helps maintain proper bobbin thread control, reducing skipped stitches and improving overall stitch quality. It is an ideal replacement for worn or weakened tension springs, keeping your Brother S1000A running efficiently and producing reliable, professional results.
✔ 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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