Tension Nut B3116-125-000, specially designed for the Juki MB-372 and Juki DDL-555. This original Juki replacement part is manufactured to exact factory standards, ensuring a perfect fit and reliable operation.

The B3116-125-000 Tension Nut plays a vital role in regulating thread tension, helping prevent skipped stitches, uneven seams, and thread breakage. Replacing worn or damaged tension nuts with parts ensures consistent stitching quality and optimal machine performance.

Key Features:

part number: B3116-125-000

Compatible with Juki MB-372 and DDL-555 sewing machines

Provides accurate and stable thread tension

Durable, high-quality construction for long-lasting use

Easy to install for maintenance or replacement

Choose this Juki tension nut to keep your sewing machine running efficiently and producing clean, professional-quality stitching every time.

Orders are typically processed within 1–3 business days.

We ship from our Georgia, USA warehouse. If an item is temporarily unavailable in the U.S., we source it through our global supplier network and will notify you of the estimated lead time.

Free shipping is available on U.S. orders over $99.

Once your order ships, you will receive a tracking number by email.

For urgent orders or shipping questions, please contact us before placing your order.

We stand behind the quality of the products we sell.

• Genuine OEM parts are covered by the manufacturer's warranty where applicable.

• Aftermarket and generic parts are covered against manufacturing defects.

• If you receive a damaged, defective, or incorrect item, please contact us within 30 days of delivery.

• Warranty does not cover damage caused by improper installation, misuse, normal wear, or modifications.

If you have any questions, our support team is happy to help before or after your purchase.