Plain Washer (Part #WP-0370316-SD). This authentic OEM precision washer is designed for use across Juki MO-series overlockers and DDL-series lockstitch machines to provide a secure and vibration-resistant seating for mounting bolts and screws.

Key Features & Benefits
100% Juki Quality: Manufactured to Juki’s exact industrial tolerances. Unlike generic hardware store washers, the WP-0370316-SD is crafted from a high-tensile alloy that resists deformation under the heavy clamping forces of a 7,000+ SPM (stitches per minute) production environment.

Uniform Load Distribution: Specifically engineered to provide a perfectly flat and even surface, preventing mounting screws from digging into or damaging sensitive machine castings and brackets.

Vibration Dampening: Acting as a critical interface between the screw head and the machine frame, this washer helps to absorb high-frequency mechanical pulses, significantly reducing the risk of a fastener backing out during operation.

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.