{"product_id":"gstartfp-b3103804000-06042026","title":"Tension Spring JUKI Heavy-Duty for MO-3900 Series - B3103804000","description":"\u003cp\u003e\u003cstrong\u003eReplacement Tension Spring for JUKI Sewing Machines\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis JUKI tension spring is a replacement sewing machine part designed to help maintain consistent thread tension in compatible machines. It is identified by part number \u003cstrong\u003eB3103804000\u003c\/strong\u003e and also cross-references to \u003cstrong\u003eB31038-04-000\u003c\/strong\u003e, \u003cstrong\u003eB3103804-000\u003c\/strong\u003e, \u003cstrong\u003e144110-101\u003c\/strong\u003e, \u003cstrong\u003e41-702\u003c\/strong\u003e, and \u003cstrong\u003e201086\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eUse this part when you need a dependable replacement for compatible JUKI overlock and related machine models. Proper tension control is essential for balanced stitching, smooth operation, and reliable seam quality, making this a practical maintenance part for repair shops, technicians, and machine owners.\u003c\/p\u003e\u003cdiv\u003e\n\u003cstrong\u003eCompatible JUKI models include:\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003eMO-3900\u003c\/li\u003e\n\u003cli\u003eMO-3904\u003c\/li\u003e\n\u003cli\u003eMO-3914\u003c\/li\u003e\n\u003cli\u003eMO-3916\u003c\/li\u003e\n\u003cli\u003eMOC-3904\u003c\/li\u003e\n\u003cli\u003eMOC-3914\u003c\/li\u003e\n\u003cli\u003eMO-3704E\u003c\/li\u003e\n\u003cli\u003eMO-3714E\u003c\/li\u003e\n\u003cli\u003eMO-3716E\u003c\/li\u003e\n\u003cli\u003eMOR-3900\u003c\/li\u003e\n\u003cli\u003eMOF-3900\u003c\/li\u003e\n\u003cli\u003eMOJ-3900\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003cp\u003eChoose this replacement spring for a straightforward fit on supported JUKI machines when restoring or servicing the tension assembly.\u003c\/p\u003e","brand":"RADYAN","offers":[{"title":"Default Title","offer_id":47665556848692,"sku":"gstartfp-B3103804000-B3103804000","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/2533\/2532\/files\/tnw900-b3103804000.webp?v=1775515021","url":"https:\/\/radyanmarketplace.com\/hi\/products\/gstartfp-b3103804000-06042026","provider":"Radyan Marketplace","version":"1.0","type":"link"}