Replacement Upper Knife Blade for Janome, Kenmore & Husqvarna Viking Sergers

Keep your serger running smoothly with this precision-cut metal upper knife blade (Part No. 788011007). Designed as a direct replacement for a wide range of popular serger models from Janome/New Home, Kenmore, and Husqvarna Viking, this blade delivers clean, consistent fabric trimming stitch after stitch. Whether you're doing everyday mending or tackling a big sewing project, having a sharp, properly fitted blade makes all the difference.

Made in Mainland China.

Compatible Models

Janome / New Home: 204D, 504D, 634D, 644D, 888, 1110DX
Kenmore: 385.16644690
Husqvarna Viking: 650, 660CD, 680CD, 1000L, 1001L, 1002L & 1003LCD

Product Specifications

Part Number: 788011007
Type: Upper Knife / Blade
Material: Metal
Dimensions: Approx. 44 × 15 mm (1.73 × 0.59 inch)
Condition: 100% Brand New
Package Contents: 1 × Upper Knife Blade

Why Replace Your Upper Knife Blade?

A worn or dull upper knife blade can cause skipped cuts, ragged fabric edges, and uneven seam finishing. Swapping in a fresh blade restores your serger's cutting performance and helps protect your fabric from fraying. This metal blade is built for durability and fits precisely into the compatible models listed above — no modifications needed.

Important Notes

Please allow 0.1–0.5 cm variance due to manual measurement.
Colours may vary slightly depending on your screen display settings.
Always power off your sewing machine before replacing any blade or internal part.

Related Products You May Need

For general sewing machine safety and maintenance guidance, visit the U.S. Consumer Product Safety Commission (CPSC) for tips on safe tool and appliance use at home.

Frequently Asked Questions

Q: Which sewing machine brands and models is this upper knife blade compatible with?

A: This upper knife blade (Part No. 788011007) is compatible with Janome/New Home models 204D, 504D, 634D, 644D, 888, and 1110DX; Kenmore model 385.16644690; and Husqvarna Viking models 650, 660CD, 680CD, 1000L, 1001L, 1002L, and 1003LCD. Always verify your model number before purchasing.

Q: What are the dimensions of this upper knife blade?

A: The blade measures approximately 44 × 15 mm (1.73 × 0.59 inches). Please note that minor variances of up to 0.5 cm may occur due to manual measurement.

Q: Is this a genuine OEM part or an aftermarket replacement?

A: This is a brand-new aftermarket replacement blade engineered to fit the listed Janome, Kenmore, and Husqvarna Viking serger models. It is made from durable metal and is designed to meet OEM fit standards for the models specified.

Q: How do I safely replace the upper knife blade on my serger?

A: Always switch off and unplug your serger before beginning any part replacement. Consult your machine's user manual for specific blade-replacement instructions for your model. If you are unsure, contact a qualified sewing machine technician for assistance.

Made with care

Great value

Elegant design

Quality materials

This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.

We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.

We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.