Product Description

The B3105804000 Tension Post is a replacement thread tension component designed for a wide range of Juki industrial overlock and safety stitch sewing machines. This part plays a critical role in the thread tension assembly by helping maintain consistent thread control, smooth thread flow, and reliable stitch formation during operation.

Manufactured from durable materials for long service life, this tension post is an ideal replacement for worn, damaged, or missing original components. Proper tension control is essential for achieving consistent stitch quality and preventing thread-related sewing issues in demanding production environments.

Key Features

• Part Number: B3105804000

• Product Type: Tension Post

• Maintains accurate thread tension control

• Supports smooth and consistent thread flow

• Durable metal construction

• Designed for industrial sewing applications

• Direct replacement for worn or damaged tension posts

• Easy installation and maintenance

Compatible Models

Compatible with Juki MO-2400 (Old), MO-2404-0D4, MO-2414-BD4, MO-2416-DD4, MO-2504, MO-2514, MO-2516, MO-3704, MO-3704-0E4, MO-3714-BE6, MO-3716-DE4, MO-804, MO-804-0D4, MO-814, MO-816, MO-816-DD4, MOG-3704, MOG-3714, MOG-3716, MOR-2504-0D4-300, MOR-2514-BD4-307, MOR-2516-DD4-300, MOU-2414-DD4-300, MOU-2516-BD4-307, S159, S160, S161, and S162 industrial sewing machines.

Package Includes

• 1 × B3105804000 Tension Post

Important Note

Please verify your part number before ordering. Machine compatibility lists are provided as a reference and may vary depending on machine subclass, specification, or production year.

Shipping & Handling

• Ships from the USA when available

• Standard handling time: 5 business days

• Free shipping on qualifying orders over USD 100

This replacement tension post helps restore proper thread control and maintain the reliable sewing performance expected from Juki industrial sewing machines.

✔ 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

💡 Add more items to your cart to qualify for free shipping ($99+)

📩 Not sure if this fits? Send us your machine model or a photo — we’ll help you confirm.

⚠️ Please confirm your machine model before ordering