Genuine Tension Spring Medium B3102804000, designed specifically for the Juki MO-816 sewing machine. This original Juki component is an essential part of the tension system, providing balanced spring pressure to ensure stable thread flow and accurate stitch formation during operation.

Made from high-quality, precision-engineered spring steel, this medium tension spring delivers excellent elasticity, durability, and long service life, even under continuous industrial use. It is the ideal replacement for worn or weakened springs, helping restore proper tension balance and improve overall sewing performance.

Key Features:

Genuine Juki part for perfect fit and reliability
Compatible with Juki MO-816 sewing machine
Provides medium-level stable thread tension
Durable spring steel construction for long-lasting performance
Ensures smooth, consistent stitch quality
Easy to install and replace

Perfect for industrial and professional sewing environments, this tension spring helps maintain optimal machine performance and reliable stitching 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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⚠️ Please confirm your machine model before ordering