Top Knife (Part #A903) for Merrow Industrial Sewing Machines
Achieve surgical trimming precision and a crisp, professional edge with the Top Knife (Part #A903). This authentic Merrow cutting component is a high-performance upper blade, precision-engineered to work in a "shear-action" with the bottom knife. The A903 is designed to trim fabric excess with absolute accuracy just before the overedge stitch is applied, ensuring the clean, uniform edge that is essential for high-quality industrial sewing.

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.