Brother 1034D Upper Knife #XB0563-001 – Serger Cutting Blade (Fits 1034D, 1134D, 1634D & More)
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Restore clean, precise fabric cutting with the Brother Upper Knife #XB0563-001 — a critical replacement blade for your serger that ensures smooth trimming and professional edge finishing.
The upper knife works in tandem with the lower knife to cut fabric cleanly before stitching, creating the sharp, finished edges sergers are known for. Over time, this blade can become dull or damaged, leading to ragged edges, uneven cuts, or skipped trimming.
Replacing your upper knife is one of the fastest ways to bring your serger back to peak performance.
Key Features:
- OEM-spec Brother replacement upper knife
- Restores clean, accurate fabric cutting
- Reduces fraying and uneven edges
- Essential for proper serger operation
- Durable, precision-ground blade
- Easy installation for quick maintenance
If your serger isn’t cutting smoothly or is leaving frayed edges, it’s time to replace your blade.
Compatibility
Fits Brother Serger Models:
1034D, 1034DAV, 1134D, 1134DW, 1634D, 2034D, 3034D, 925D, 929D, DZ123, DZ1234 Designio, PL1500, PL2000
Fits Husqvarna Viking Serger Models:
660CD, 680CD
FAQs
Q: What does the upper knife do on a serger?
A: It trims fabric edges as you sew, working with the lower knife to create clean, finished seams.
Q: How do I know if my knife is dull?
A: Signs include frayed edges, uneven cuts, fabric bunching, or the machine not cutting consistently.
Q: Should I replace both upper and lower knives?
A: For best results, yes — especially if both are worn.
Q: Is this hard to install?
A: Most users can replace it with basic tools in just a few minutes.
Shipping information
Items Ship from Mesa, Az. Items will be fulfilled within 72 hours.