Back Cover Gasket 40012129 for Juki Industrial Sewing Machines
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This item requires confirmation before ordering.
Current pricing, availability, lead time, and machine compatibility
will be verified for your specific requirement.
Please send your machine model, required gauge or size, quantity, and clear photos of the machine nameplate or existing components when available.
Please send your machine model, required gauge or size, quantity, and clear photos of the machine nameplate or existing components when available.
🌎 International customers are welcome.
We serve customers worldwide. Depending on product availability, orders may be sourced or fulfilled through our USA, Singapore, or international supply network.
Please include your destination country and postal code so we can review the most suitable shipping option.
REQUEST A QUOTE
We serve customers worldwide. Depending on product availability, orders may be sourced or fulfilled through our USA, Singapore, or international supply network.
Please include your destination country and postal code so we can review the most suitable shipping option.
U.S. customers may also text the product link and photos to
+1 (770) 744-3831
The 400-12129 Back Cover Gasket is a high-quality original replacement part designed for Juki industrial lockstitch sewing machines. This gasket provides a secure seal for the back cover, helping to prevent dust, debris, and oil leaks while ensuring smooth and reliable machine operation.
Manufactured to Juki specifications, the 400-12129 back cover gasket ensures a perfect fit and long-lasting durability. It is ideal for replacing worn or damaged gaskets, protecting internal components, and maintaining optimal performance of your sewing machine.
Key Features:
400-12129 Back Cover Gasket
Designed for Juki DDL-8700 lockstitch sewing machines
Also compatible with Juki DDL-5550N-7 sewing machines
Provides a secure seal to prevent dust and oil leaks
Protects internal machine components
Durable construction for long-lasting performance
Easy to install with precise fit
Compatible Machines:
Juki DDL-8700
Juki DDL-5550N-7
Using Juki replacement parts ensures reliable operation, protects your machine, and extends the life of your industrial sewing equipment.
Most in-stock orders are processed within 3 business days, Monday through Friday. Special-order and non-stock items may require additional handling time
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 promptly. Please see our Return & Refund Policy for eligibility, notification requirements, and applicable return terms.
• Warranty does not cover damage caused by improper installation, misuse, normal wear, Return & Refund Policy modifications.
If you have any questions, our support team is happy to help before or after your purchase.