Tension Release Pin 1421 is designed to activate the thread tension release mechanism, ensuring smooth and controlled thread handling in industrial sewing machines.

Built for precision and durability, it helps maintain consistent stitching performance, reduces thread breakage, and supports reliable machine operation during heavy-duty use.

Key Features:

tension release pin
Part number: 1421
Activates smooth thread tension release system
Ensures consistent and stable stitching performance
Durable and long-lasting construction
Reduces thread breakage and tension issues
Compatible with Singer 132B, 132K, 133K and Seiko SK-2B machines
Ideal for industrial sewing applications

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.