Genuine Tension Spring (Light) B3101804000 for Juki MO-804 Sewing Machine

Maintain smooth and balanced thread tension with this genuine Juki Light Tension Spring (Part No. B3101804000), designed for the Juki MO-804 sewing machine. This original OEM component is an important part of the thread tension assembly, helping control light thread pressure for accurate and even stitch formation.

The tension spring works together with the tension discs to regulate thread flow, ensuring consistent stitching, reduced thread breakage, and stable sewing performance. According to Juki parts listings, B3101804000 is used in MO series overlock machines as part of the tension system assembly.

Manufactured to Juki’s factory standards, this spring delivers a precise fit, reliable elasticity, and long-lasting durability, making it ideal for industrial sewing environments.

Key Features:
Original Juki Part (OEM) – Ensures perfect compatibility and performance
Part Number: B3101804000
Compatible with: Juki MO-804 sewing machine
Function: Provides light tension control for smooth thread feeding
Improves Stitch Quality: Helps maintain balanced and even stitches
Durable Spring Steel: Designed for long-term industrial use
Essential Tension Component: Supports stable sewing performance

Replace worn or weak tension springs with this genuine part to restore proper thread control and keep your machine running efficiently.

✔ 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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