{"title":"Singer 81 \u0026 81K \u0026 81U Parts","description":"\u003cp\u003eFind genuine and compatible replacement parts for the Singer 81, 81K, and 81U industrial sewing machines. This collection gathers hooks, feed dogs, needle plates, knives, and other components that fit these Singer overlock models.\u003c\/p\u003e\u003cp\u003eKeep your Singer machine running reliably with quality replacement parts.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eParts that fit the Singer 81, 81K, and 81U\u003c\/li\u003e\n\u003cli\u003eLoopers, feed dogs, and knives\u003c\/li\u003e\n\u003cli\u003eNeedle plates and components\u003c\/li\u003e\n\u003cli\u003eGenuine and compatible options\u003c\/li\u003e\n\u003c\/ul\u003e","products":[{"product_id":"premium-replacement-upper-knife-thin-42111-for-singer-81-81k-81u-sewing-machine","title":"Upper Knife Thin 42111 for Singer 81, 81K, 81U Sewing Machine","description":"\u003cp\u003eUpper Knife (Thin) - Part #42111 for Singer 81, 81K, \u0026amp; 81U Series\u003cbr\u003e\nKeep your edges clean and professional with this Upper Knife (Part #42111). Specifically engineered for the Singer 81, 81K, and 81U industrial overlock machines, this \"thin\" profile knife is designed for precision trimming on a wide variety of fabrics.\u003c\/p\u003e\n\n\u003cp\u003eA sharp, high-quality blade is essential for preventing frayed edges and ensuring your overlock stitches lay perfectly flat. If your machine is pulling fabric or leaving uneven cuts, it is time for a fresh replacement.\u003c\/p\u003e\n\n\u003cp\u003eKey Product Highlights\u003cbr\u003e\nPrecision Cutting: The \"thin\" design allows for sharp, accurate trimming, making it ideal for navigating curves and fine edge work.\u003c\/p\u003e\n\n\u003cp\u003eHardened Steel Build: Manufactured from high-carbon industrial steel to maintain its razor-sharp edge through long production runs.\u003c\/p\u003e\n\n\u003cp\u003eDirect Fitment: A for part #42111, ensuring seamless compatibility with Singer 81 series overlockers.\u003c\/p\u003e\n\n\u003cp\u003eSmooth Performance: Friction-resistant coating reduces heat buildup, preventing the blade from \"gumming up\" when cutting synthetic materials.\u003c\/p\u003e","brand":"Universal","offers":[{"title":"Default Title","offer_id":48302969291001,"sku":"42111","price":3.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/6733\/3113\/files\/Singer_Premium_Replacement_Parts.jpg?v=1776585850"},{"product_id":"premium-replacement-top-knife-wide-42305-138559-for-singer-81-81k-81u-sewing-machine","title":"Top Knife Wide 42305 =138559 for Singer 81, 81K, 81U Sewing Machine","description":"\u003cp\u003eTop Knife - Wide (Part #42305 \/ 138559) for Singer 81, 81K, \u0026amp; 81U Series\u003cbr\u003e\nEnsure a clean, sharp finish on your projects with this Wide Top Knife (Part #42305). Specifically designed for the Singer 81, 81K, and 81U industrial overlock machines, this \"wide\" profile blade is built to handle heavy-duty trimming with ease.\u003c\/p\u003e\n\n\u003cp\u003eThis part is also recognized under the supersession number 138559, guaranteeing a perfect match for your high-speed overlocker. A fresh, sharp blade is critical for maintaining professional edge quality and preventing fabric bunching.\u003c\/p\u003e\n\n\u003cp\u003eKey Product Highlights\u003cbr\u003e\nWide Blade Design: The increased surface area of the wide profile offers enhanced stability and strength when cutting through thicker or multi-layered fabrics.\u003c\/p\u003e\n\n\u003cp\u003eDual Part Compatibility: Directly replaces both part numbers #42305 and #138559, ensuring a wide range of model compatibility.\u003c\/p\u003e\n\n\u003cp\u003eIndustrial Durability: Crafted from high-impact hardened steel to resist chipping and maintain a razor-sharp edge over extended use.\u003c\/p\u003e\n\n\u003cp\u003eClean Edge Results: Engineered to provide a smooth, \"shear-like\" cut that eliminates frayed edges and prepares the fabric perfectly for the overlock stitch.\u003c\/p\u003e","brand":"Universal","offers":[{"title":"Default Title","offer_id":48302969323769,"sku":"42305","price":2.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/6733\/3113\/files\/Singer_Premium_Replacement_Parts.jpg?v=1776585850"},{"product_id":"premium-replacement-lower-knife-thin-42046-for-singer-81-81k-81u-sewing-machine","title":"Lower Knife Thin 42046 for Singer 81, 81K, 81U Sewing Machine","description":"\u003cp\u003eLower Knife (Thin) - Part #42046 for Singer 81, 81K, \u0026amp; 81U Series\u003cbr\u003e\nMaintain a sharp, clean edge on all your sewing projects with this Lower Knife (Part #42046). Engineered specifically for the Singer 81, 81K, and 81U industrial overlock series, this \"thin\" profile lower blade acts as the essential stationary cutting partner to your upper knife.\u003c\/p\u003e\n\n\u003cp\u003eIf your overlocker is chewing fabric or leaving a ragged edge, replacing your worn lower knife is the most effective way to restore a smooth, professional shear.\u003c\/p\u003e\n\n\u003cp\u003eKey Product Highlights\u003cbr\u003e\nPrecision Thin Profile: The slim design is optimized for fine-tuned trimming, allowing for clean cuts even on intricate curves and delicate fabrics.\u003c\/p\u003e\n\n\u003cp\u003eHigh-Tension Steel Construction: Made from industrial-grade, heat-treated steel to ensure the blade remains rigid and sharp under high-speed operation.\u003c\/p\u003e\n\n\u003cp\u003eSeamless Integration: A direct for part #42046, designed to fit perfectly into the lower knife holder of your Singer 81 series machine.\u003c\/p\u003e\n\n\u003cp\u003eFriction Reduction: The polished surface minimizes resistance, preventing heat buildup and ensuring the fabric glides smoothly through the cutting zone.\u003c\/p\u003e","brand":"Universal","offers":[{"title":"Default Title","offer_id":48302969454841,"sku":"42046","price":3.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/6733\/3113\/files\/Singer_Premium_Replacement_Parts.jpg?v=1776585850"},{"product_id":"premium-replacement-lower-knife-wide-42309-140561-for-singer-81-81k-81u-sewing-machine","title":"Lower Knife Wide 42309 =140561 for Singer 81, 81K, 81U Sewing Machine","description":"\u003cp\u003eLower Knife - Wide (Part #42309 \/ 140561) for Singer 81, 81K, \u0026amp; 81U Series\u003cbr\u003e\nKeep your industrial overlocker cutting at peak performance with this Wide Lower Knife (Part #42309). Designed specifically for the Singer 81, 81K, and 81U series, this \"wide\" profile blade provides the heavy-duty foundation needed for a clean, consistent shear.\u003c\/p\u003e\n\n\u003cp\u003eThis part is also identified by the supersession number 140561, ensuring a direct and reliable fit for your machine's cutting assembly.\u003c\/p\u003e\n\n\u003cp\u003eKey Product Highlights\u003cbr\u003e\nWide Blade Stability: The wide profile offers a larger surface area, providing maximum stability and cutting power for thicker materials and high-speed production.\u003c\/p\u003e\n\n\u003cp\u003eDual Part Compatibility: A direct replacement for both part numbers #42309 and #140561, guaranteeing a perfect match for your Singer 81 series overlocker.\u003c\/p\u003e\n\n\u003cp\u003eIndustrial Strength: Crafted from high-grade, heat-treated steel to resist dulling and chipping, even when working with tough or abrasive fabrics.\u003c\/p\u003e\n\n\u003cp\u003eHigh-Precision Shear: Works in perfect synchronization with the upper knife to deliver a crisp, professional edge that prevents fraying.\u003c\/p\u003e","brand":"Universal","offers":[{"title":"Default Title","offer_id":48302969487609,"sku":"42309","price":6.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/6733\/3113\/files\/Singer_Premium_Replacement_Parts.jpg?v=1776585850"},{"product_id":"premium-replacement-lower-knife-wide-546570-for-singer-81-81k-81u-sewing-machine","title":"Lower Knife Wide 546570 for Singer 81, 81K, 81U Sewing Machine","description":"\u003cp\u003eLower Knife - Wide (Part #546570) for Singer 81, 81K, \u0026amp; 81U Series\u003cbr\u003e\nEnhance the cutting precision of your industrial overlocker with this Wide Lower Knife (Part #546570). Expertly crafted for the Singer 81, 81K, and 81U series, this \"wide\" profile blade provides the robust, stationary edge necessary for a perfect, clean-cut finish.\u003c\/p\u003e\n\n\u003cp\u003eSpecifically designed for high-speed operation, the #546570 is the professional choice for workshops that require a reliable, heavy-duty trimming system for thicker fabrics and intense production schedules.\u003c\/p\u003e\n\n\u003cp\u003eKey Product Highlights\u003cbr\u003e\nHeavy-Duty Wide Profile: The wide blade design offers superior stability, ensuring the knife stays perfectly aligned even when cutting through dense or multi-layered materials.\u003c\/p\u003e\n\n\u003cp\u003eRazor-Sharp Edge Retention: Manufactured from industrial-grade hardened steel, this blade is built to stay sharp longer, reducing downtime for sharpening or replacements.\u003c\/p\u003e\n\n\u003cp\u003eExact OEM Fit: A for part #546570, ensuring a seamless fit and effortless installation in your Singer 81 class lower knife holder.\u003c\/p\u003e\n\n\u003cp\u003eClean Shearing Action: Provides a smooth, stationary surface for the upper knife to strike against, resulting in a fray-free edge ready for immediate overlocking.\u003c\/p\u003e","brand":"Universal","offers":[{"title":"Default Title","offer_id":48302969618681,"sku":"546570","price":2.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/6733\/3113\/files\/Singer_Premium_Replacement_Parts.jpg?v=1776585850"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/6733\/3113\/collections\/Singer_81_81K_81U.png?v=1765369321","url":"https:\/\/empenzoamericas.com\/collections\/singer-81-81k-81u-parts.oembed","provider":"Empenzo Americas Corp.","version":"1.0","type":"link"}