{"product_id":"upper-knife-blade-788011007-janome-kenmore-husqvarna-viking-serger","title":"Upper Knife Blade 788011007 – Janome, Kenmore \u0026 Husqvarna Viking","description":"\n\u003ch2\u003eReplacement Upper Knife Blade for Janome, Kenmore \u0026amp; Husqvarna Viking Sergers\u003c\/h2\u003e\n\u003cp\u003eKeep 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.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eJanome \/ New Home:\u003c\/strong\u003e 204D, 504D, 634D, 644D, 888, 1110DX\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKenmore:\u003c\/strong\u003e 385.16644690\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHusqvarna Viking:\u003c\/strong\u003e 650, 660CD, 680CD, 1000L, 1001L, 1002L \u0026amp; 1003LCD\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 788011007\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Upper Knife \/ Blade\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Metal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Approx. 44 × 15 mm (1.73 × 0.59 inch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e 100% Brand New\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Contents:\u003c\/strong\u003e 1 × Upper Knife Blade\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Replace Your Upper Knife Blade?\u003c\/h3\u003e\n\u003cp\u003eA 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.\u003c\/p\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePlease allow 0.1–0.5 cm variance due to manual measurement.\u003c\/li\u003e\n  \u003cli\u003eColours may vary slightly depending on your screen display settings.\u003c\/li\u003e\n  \u003cli\u003eAlways power off your sewing machine before replacing any blade or internal part.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Need\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/0-5mm-mini-pocket-gel-pen-quick-dry-waterproof-10-refills\"\u003e0.5mm Mini Pocket Gel Pen – Quick Dry, Waterproof \u0026amp; 10 Refills\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/0-300mm-adjustable-pcb-holder-360-rotation-soldering-stand-clamp\"\u003e0–300mm PCB Holder Stand | 360° Rotation Soldering Clamp\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor 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.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Which sewing machine brands and models is this upper knife blade compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\u003ch4\u003eQ: What are the dimensions of this upper knife blade?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this a genuine OEM part or an aftermarket replacement?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I safely replace the upper knife blade on my serger?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which sewing machine brands and models is this upper knife blade compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"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.\"}}, {\"@type\": \"Question\", \"name\": \"What are the dimensions of this upper knife blade?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The blade measures approximately 44 × 15 mm (1.73 × 0.59 inches). 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