{"product_id":"large-spool-cap-part-413051603-pfaff-husqvarna-viking-oem","title":"Large Spool Cap – Part #413051603 | Pfaff \u0026 Husqvarna Viking OEM","description":"\u003cp data-start=\"209\" data-end=\"384\"\u003eEnsure smooth, consistent thread delivery with this \u003cstrong data-start=\"261\" data-end=\"306\"\u003egenuine large spool cap (Part #413051603)\u003c\/strong\u003e, designed for both Pfaff and Husqvarna Viking sewing and embroidery machines.\u003c\/p\u003e\n\u003cp data-start=\"386\" data-end=\"691\"\u003eThis large spool cap stabilizes bigger thread spools on horizontal spool pins, preventing wobble, tangling, and uneven thread feed. It plays a critical role in maintaining \u003cstrong data-start=\"558\" data-end=\"606\"\u003eproper thread tension and stitch consistency\u003c\/strong\u003e, especially when sewing at higher speeds or using large cones and specialty threads.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1s1yvt8\" data-start=\"693\" data-end=\"714\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"697\" data-end=\"714\"\u003eKey Features:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"715\" data-end=\"1029\"\u003e\n\u003cli data-section-id=\"9qdaqw\" data-start=\"715\" data-end=\"763\"\u003e✔️ Genuine OEM Pfaff \u0026amp; Husqvarna Viking part\u003c\/li\u003e\n\u003cli data-section-id=\"1cfijdn\" data-start=\"764\" data-end=\"821\"\u003e✔️ Large size (45mm) – ideal for larger thread spools\u003c\/li\u003e\n\u003cli data-section-id=\"dd80fs\" data-start=\"822\" data-end=\"879\"\u003e✔️ Prevents thread jumping, tangling, and uneven feed\u003c\/li\u003e\n\u003cli data-section-id=\"zjgekn\" data-start=\"880\" data-end=\"934\"\u003e✔️ Improves stitch quality and tension consistency\u003c\/li\u003e\n\u003cli data-section-id=\"h18bu3\" data-start=\"935\" data-end=\"983\"\u003e✔️ Designed for horizontal spool pin systems\u003c\/li\u003e\n\u003cli data-section-id=\"1092deq\" data-start=\"984\" data-end=\"1029\"\u003e✔️ Quick and easy, tool-free installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1031\" data-end=\"1034\"\u003e\n\u003ch2 data-section-id=\"18fxkdn\" data-start=\"1036\" data-end=\"1056\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1039\" data-end=\"1056\"\u003eCompatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 data-section-id=\"1f62j7x\" data-start=\"1058\" data-end=\"1112\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1062\" data-end=\"1112\"\u003eGuaranteed to Fit Pfaff Sewing Machine Models:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1113\" data-end=\"1426\"\u003eCreative 2.0, Creative 3.0, Creative 4.0, Creative 4.5, Creative Performance, Creative Sensation, Creative Sensation Pro, Creative Vision 5.5\u003cbr data-start=\"1254\" data-end=\"1257\"\u003eExpression 150, Expression 2.0, Expression 3.0, Expression 3.2, Expression 3.5, Expression 4.0, Expression 4.2, Expression 710\u003cbr data-start=\"1383\" data-end=\"1386\"\u003ePerformance 5.0\u003cbr data-start=\"1401\" data-end=\"1404\"\u003eQuilt Expression 720\u003c\/p\u003e\n\u003chr data-start=\"1428\" data-end=\"1431\"\u003e\n\u003ch3 data-section-id=\"1eaqu63\" data-start=\"1433\" data-end=\"1498\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1437\" data-end=\"1498\"\u003eGuaranteed to Fit Husqvarna Viking Sewing Machine Models:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1499\" data-end=\"1731\"\u003e100Q H Class\u003cbr data-start=\"1511\" data-end=\"1514\"\u003eDesigner Diamond, Diamond Deluxe, Diamond Royale\u003cbr data-start=\"1562\" data-end=\"1565\"\u003eDesigner Ruby, Ruby Deluxe, Ruby Royale\u003cbr data-start=\"1604\" data-end=\"1607\"\u003eEden Rose 250C\u003cbr data-start=\"1621\" data-end=\"1624\"\u003eOpal 650, 670\u003cbr data-start=\"1637\" data-end=\"1640\"\u003eSapphire 830, 835, 855, 875, 930, 960Q\u003cbr data-start=\"1678\" data-end=\"1681\"\u003eDesigner Topaz 20, 25, 30, 40, 50\u003cbr data-start=\"1714\" data-end=\"1717\"\u003eTribute 140C\u003c\/p\u003e\n\u003chr data-start=\"1733\" data-end=\"1736\"\u003e\n\u003ch2 data-section-id=\"q11yyz\" data-start=\"1738\" data-end=\"1759\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1741\" data-end=\"1759\"\u003eSpecifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1761\" data-end=\"1940\"\u003e\n\u003cli data-section-id=\"140509d\" data-start=\"1761\" data-end=\"1791\"\u003e\n\u003cstrong data-start=\"1763\" data-end=\"1779\"\u003ePart Number:\u003c\/strong\u003e 413051603\u003c\/li\u003e\n\u003cli data-section-id=\"18krg22\" data-start=\"1792\" data-end=\"1811\"\u003e\n\u003cstrong data-start=\"1794\" data-end=\"1803\"\u003eSize:\u003c\/strong\u003e Large\u003c\/li\u003e\n\u003cli data-section-id=\"dr860a\" data-start=\"1812\" data-end=\"1836\"\u003e\n\u003cstrong data-start=\"1814\" data-end=\"1827\"\u003eDiameter:\u003c\/strong\u003e ~45 mm\u003c\/li\u003e\n\u003cli data-section-id=\"1ikw234\" data-start=\"1837\" data-end=\"1901\"\u003e\n\u003cstrong data-start=\"1839\" data-end=\"1852\"\u003eFunction:\u003c\/strong\u003e Stabilizes thread spool for smooth thread flow\u003c\/li\u003e\n\u003cli data-section-id=\"1nv21gu\" data-start=\"1902\" data-end=\"1940\"\u003e\n\u003cstrong data-start=\"1904\" data-end=\"1916\"\u003eFitment:\u003c\/strong\u003e Horizontal spool pins\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1942\" data-end=\"1945\"\u003e\n\u003ch2 data-section-id=\"5f5awq\" data-start=\"1947\" data-end=\"1975\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1950\" data-end=\"1975\"\u003eWhy This Part Matters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1977\" data-end=\"2089\"\u003eUsing the correct spool cap size is essential for proper thread control. A missing or incorrect cap can lead to:\u003c\/p\u003e\n\u003cul data-start=\"2090\" data-end=\"2268\"\u003e\n\u003cli data-section-id=\"1xzuxg6\" data-start=\"2090\" data-end=\"2134\"\u003eThread slipping or jumping off the spool\u003c\/li\u003e\n\u003cli data-section-id=\"1pc8whm\" data-start=\"2135\" data-end=\"2177\"\u003eUneven tension and poor stitch quality\u003c\/li\u003e\n\u003cli data-section-id=\"100v8bz\" data-start=\"2178\" data-end=\"2215\"\u003eThread snags, breaks, or tangling\u003c\/li\u003e\n\u003cli data-section-id=\"16w133i\" data-start=\"2216\" data-end=\"2268\"\u003eInconsistent performance at higher sewing speeds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2270\" data-end=\"2368\"\u003eThis large spool cap ensures \u003cstrong data-start=\"2299\" data-end=\"2367\"\u003emaximum spool stability and professional-level stitching results\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"2370\" data-end=\"2373\"\u003e\n\u003ch2 data-section-id=\"elc90z\" data-start=\"2375\" data-end=\"2385\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2378\" data-end=\"2385\"\u003eFAQ\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2387\" data-end=\"2555\"\u003e\u003cstrong data-start=\"2387\" data-end=\"2430\"\u003eQ: When should I use a large spool cap?\u003c\/strong\u003e\u003cbr data-start=\"2430\" data-end=\"2433\"\u003eA: Use a large spool cap when working with \u003cstrong data-start=\"2476\" data-end=\"2509\"\u003elarger diameter thread spools\u003c\/strong\u003e to maintain stability and proper thread feed.\u003c\/p\u003e\n\u003cp data-start=\"2557\" data-end=\"2664\"\u003e\u003cstrong data-start=\"2557\" data-end=\"2584\"\u003eQ: Is this an OEM part?\u003c\/strong\u003e\u003cbr data-start=\"2584\" data-end=\"2587\"\u003eA: Yes — this is a \u003cstrong data-start=\"2606\" data-end=\"2663\"\u003egenuine Pfaff \/ Husqvarna Viking OEM part (413051603)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2666\" data-end=\"2821\"\u003e\u003cstrong data-start=\"2666\" data-end=\"2706\"\u003eQ: Will this improve stitch quality?\u003c\/strong\u003e\u003cbr data-start=\"2706\" data-end=\"2709\"\u003eA: Absolutely. Proper spool stabilization directly improves \u003cstrong data-start=\"2769\" data-end=\"2820\"\u003ethread tension consistency and stitch formation\u003c\/strong\u003e.\u003c\/p\u003e\u003cdiv style=\"margin-top:32px; padding-top:18px; border-top:1px solid #e5e5e5; font-size:14px; line-height:1.7;\"\u003e\u003cp\u003eLooking for more compatible replacement parts? Browse our \u003ca href=\"https:\/\/threadworks.com\/collections\/parts\"\u003efull sewing machine parts collection\u003c\/a\u003e or shop \u003ca href=\"https:\/\/threadworks.com\/collections\/huskavarna-viking-parts\"\u003eHusqvarna Viking parts\u003c\/a\u003e and \u003ca href=\"https:\/\/threadworks.com\/collections\/pfaff-parts\"\u003ePfaff parts\u003c\/a\u003e to find machine-specific components and accessories.\u003c\/p\u003e\u003c\/div\u003e","brand":"Viking","offers":[{"title":"Default Title","offer_id":45496322687078,"sku":null,"price":5.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/7872\/8294\/files\/413051603cap.webp?v=1776729606","url":"https:\/\/threadworks.com\/products\/large-spool-cap-part-413051603-pfaff-husqvarna-viking-oem","provider":"Thread Works ","version":"1.0","type":"link"}