{"product_id":"black-decker-90559117-line-cutting-blade-genuine-oem-replacement-string-trimmer-line-cutter-blade","title":"Black \u0026 Decker 90559117 Line Cutting Blade – Genuine OEM Replacement String Trimmer Line Cutter Blade","description":"\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a564ce8-dd20-83ea-a458-fe6abd848766-13\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6a564ce8-dd20-83ea-a458-fe6abd848766-13\" data-turn-id-container=\"request-6a564ce8-dd20-83ea-a458-fe6abd848766-13\" data-testid=\"conversation-turn-354\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-15 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"9fd27137-e2f0-45b5-ba97-46708cd31e14\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"230\"\u003e\u003cstrong data-start=\"0\" data-end=\"16\"\u003ePart Number:\u003c\/strong\u003e 90559117\u003cbr data-start=\"25\" data-end=\"28\"\u003e\u003cstrong data-start=\"28\" data-end=\"41\"\u003eCategory:\u003c\/strong\u003e Outdoor Power Equipment Parts → String Trimmer Parts → Line Cutting Blades\u003cbr data-start=\"116\" data-end=\"119\"\u003e\u003cstrong data-start=\"119\" data-end=\"128\"\u003eType:\u003c\/strong\u003e Black \u0026amp; Decker 90559117 Line Cutting Blade – Genuine OEM Replacement String Trimmer Line Cutter Blade\u003c\/p\u003e\n\u003chr data-start=\"232\" data-end=\"235\"\u003e\n\u003cp data-start=\"342\" data-end=\"944\"\u003eThe \u003cstrong data-start=\"346\" data-end=\"392\"\u003eBlack \u0026amp; Decker 90559117 Line Cutting Blade\u003c\/strong\u003e is a genuine OEM replacement line cutter blade designed for compatible \u003cstrong data-start=\"464\" data-end=\"482\"\u003eBlack \u0026amp; Decker\u003c\/strong\u003e and \u003cstrong data-start=\"487\" data-end=\"500\"\u003eCraftsman\u003c\/strong\u003e string trimmers. Mounted to the trimmer guard, this hardened steel blade automatically trims excess trimmer line to the correct operating length as new line advances. Manufactured to original equipment specifications, it provides a direct-fit replacement for worn, dull, bent, or damaged line cutter blades, helping maintain proper cutting diameter, efficient trimming performance, and reduced line waste.\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1159\" data-end=\"1162\"\u003e\n\u003ch2 data-section-id=\"939trr\" data-start=\"1164\" data-end=\"1190\"\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul data-start=\"1192\" data-end=\"1562\"\u003e\n\u003cli data-section-id=\"1tewgtd\" data-start=\"1192\" data-end=\"1219\"\u003e\n\u003cstrong data-start=\"1194\" data-end=\"1210\"\u003ePart Number:\u003c\/strong\u003e 90559117\u003c\/li\u003e\n\u003cli data-section-id=\"brmkf6\" data-start=\"1220\" data-end=\"1265\"\u003eGenuine OEM Black \u0026amp; Decker replacement part\u003c\/li\u003e\n\u003cli data-section-id=\"32059h\" data-start=\"1266\" data-end=\"1318\"\u003eReplacement line cutting blade for string trimmers\u003c\/li\u003e\n\u003cli data-section-id=\"5l67hb\" data-start=\"1319\" data-end=\"1360\"\u003eAutomatically trims excess cutting line\u003c\/li\u003e\n\u003cli data-section-id=\"fwnp97\" data-start=\"1361\" data-end=\"1403\"\u003eHelps maintain the correct cutting swath\u003c\/li\u003e\n\u003cli data-section-id=\"1xx77od\" data-start=\"1404\" data-end=\"1436\"\u003eReduces unnecessary line waste\u003c\/li\u003e\n\u003cli data-section-id=\"18n24kx\" data-start=\"1437\" data-end=\"1481\"\u003eHardened steel construction for durability\u003c\/li\u003e\n\u003cli data-section-id=\"p6iksq\" data-start=\"1482\" data-end=\"1510\"\u003eDirect-fit OEM replacement\u003c\/li\u003e\n\u003cli data-section-id=\"fyhvnz\" data-start=\"1511\" data-end=\"1562\"\u003eManufactured to original equipment specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1564\" data-end=\"1567\"\u003e\n\u003ch2 data-section-id=\"1cgu054\" data-start=\"1569\" data-end=\"1596\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp data-start=\"1598\" data-end=\"1623\"\u003e\u003cstrong data-start=\"1598\" data-end=\"1614\"\u003ePart Number:\u003c\/strong\u003e 90559117\u003c\/p\u003e\n\u003cp data-start=\"1625\" data-end=\"1657\"\u003e\u003cstrong data-start=\"1625\" data-end=\"1642\"\u003eManufacturer:\u003c\/strong\u003e Black \u0026amp; Decker\u003c\/p\u003e\n\u003cp data-start=\"1659\" data-end=\"1695\"\u003e\u003cstrong data-start=\"1659\" data-end=\"1676\"\u003eProduct Type:\u003c\/strong\u003e Line Cutting Blade\u003c\/p\u003e\n\u003cp data-start=\"1697\" data-end=\"1725\"\u003e\u003cstrong data-start=\"1697\" data-end=\"1710\"\u003eMaterial:\u003c\/strong\u003e Hardened Steel\u003c\/p\u003e\n\u003cp data-start=\"1727\" data-end=\"1763\"\u003e\u003cstrong data-start=\"1727\" data-end=\"1749\"\u003eMounting Location:\u003c\/strong\u003e Trimmer Guard\u003c\/p\u003e\n\u003cp data-start=\"1765\" data-end=\"1782\"\u003e\u003cstrong data-start=\"1765\" data-end=\"1778\"\u003eOEM Part:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\u003cp data-start=\"1784\" data-end=\"1815\"\u003e\u003cstrong data-start=\"1784\" data-end=\"1797\"\u003eQuantity:\u003c\/strong\u003e Sold Individually\u003c\/p\u003e\n\u003cp data-start=\"1817\" data-end=\"1899\"\u003e\u003cstrong data-start=\"1817\" data-end=\"1826\"\u003eNote:\u003c\/strong\u003e Mounting screw is sold separately. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1901\" data-end=\"1904\"\u003e\n\u003ch2 data-section-id=\"17z2fqi\" data-start=\"1906\" data-end=\"1932\"\u003eCompatible Applications\u003c\/h2\u003e\n\u003cp data-start=\"1934\" data-end=\"2037\"\u003eThe \u003cstrong data-start=\"1938\" data-end=\"1984\"\u003eBlack \u0026amp; Decker 90559117 Line Cutting Blade\u003c\/strong\u003e fits numerous compatible string trimmers, including:\u003c\/p\u003e\n\u003ch3 data-section-id=\"9p9gih\" data-start=\"2039\" data-end=\"2057\"\u003eBlack \u0026amp; Decker\u003c\/h3\u003e\n\u003cul data-start=\"2059\" data-end=\"2170\"\u003e\n\u003cli data-section-id=\"9xxw4l\" data-start=\"2059\" data-end=\"2081\"\u003e\n\u003cstrong data-start=\"2061\" data-end=\"2072\"\u003e98020SE\u003c\/strong\u003e (Type 1)\u003c\/li\u003e\n\u003cli data-section-id=\"zztvpb\" data-start=\"2082\" data-end=\"2103\"\u003e\n\u003cstrong data-start=\"2084\" data-end=\"2094\"\u003eLST136\u003c\/strong\u003e (Type 1)\u003c\/li\u003e\n\u003cli data-section-id=\"zztvmk\" data-start=\"2104\" data-end=\"2125\"\u003e\n\u003cstrong data-start=\"2106\" data-end=\"2116\"\u003eLST136\u003c\/strong\u003e (Type 2)\u003c\/li\u003e\n\u003cli data-section-id=\"e1wl32\" data-start=\"2126\" data-end=\"2148\"\u003e\n\u003cstrong data-start=\"2128\" data-end=\"2139\"\u003eLST136B\u003c\/strong\u003e (Type 2)\u003c\/li\u003e\n\u003cli data-section-id=\"14lfow9\" data-start=\"2149\" data-end=\"2170\"\u003e\n\u003cstrong data-start=\"2151\" data-end=\"2161\"\u003eST8600\u003c\/strong\u003e (Type 1)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"16r08np\" data-start=\"2172\" data-end=\"2185\"\u003eCraftsman\u003c\/h3\u003e\n\u003cul data-start=\"2187\" data-end=\"2255\"\u003e\n\u003cli data-section-id=\"fxhqro\" data-start=\"2187\" data-end=\"2215\"\u003e\n\u003cstrong data-start=\"2189\" data-end=\"2201\"\u003e90098020\u003c\/strong\u003e Trimmer\/Edger\u003c\/li\u003e\n\u003cli data-section-id=\"zqrb5g\" data-start=\"2216\" data-end=\"2255\"\u003e\n\u003cstrong data-start=\"2218\" data-end=\"2232\"\u003eCMCST98020\u003c\/strong\u003e Series String Trimmers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2257\" data-end=\"2414\"\u003eAlways verify your trimmer model, type number, and original part number before ordering to ensure proper compatibility. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"2416\" data-end=\"2419\"\u003e\n\u003ch2 data-section-id=\"4saip\" data-start=\"2421\" data-end=\"2458\"\u003eFunction of the Line Cutting Blade\u003c\/h2\u003e\n\u003cp data-start=\"2460\" data-end=\"2565\"\u003eThe \u003cstrong data-start=\"2464\" data-end=\"2495\"\u003e90559117 Line Cutting Blade\u003c\/strong\u003e is an important component of the trimmer guard assembly. It helps to:\u003c\/p\u003e\n\u003cul data-start=\"2567\" data-end=\"2832\"\u003e\n\u003cli data-section-id=\"1xo7mai\" data-start=\"2567\" data-end=\"2625\"\u003eTrim excess trimmer line to the correct operating length\u003c\/li\u003e\n\u003cli data-section-id=\"yldq96\" data-start=\"2626\" data-end=\"2666\"\u003eMaintain the designed cutting diameter\u003c\/li\u003e\n\u003cli data-section-id=\"etl91v\" data-start=\"2667\" data-end=\"2695\"\u003eImprove cutting efficiency\u003c\/li\u003e\n\u003cli data-section-id=\"1y0gv8s\" data-start=\"2696\" data-end=\"2732\"\u003ePrevent excessive line consumption\u003c\/li\u003e\n\u003cli data-section-id=\"1mgoc01\" data-start=\"2733\" data-end=\"2779\"\u003eSupport smooth automatic line feed operation\u003c\/li\u003e\n\u003cli data-section-id=\"cqi36q\" data-start=\"2780\" data-end=\"2832\"\u003eRestore the trimmer's original cutting performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2834\" data-end=\"2978\"\u003eUsing a genuine OEM replacement blade helps ensure consistent line length and dependable trimming results. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"2980\" data-end=\"2983\"\u003e\n\u003ch2 data-section-id=\"1cnbljb\" data-start=\"2985\" data-end=\"3022\"\u003eCommon Signs Replacement Is Needed\u003c\/h2\u003e\n\u003cp data-start=\"3024\" data-end=\"3069\"\u003eReplace the line cutting blade if you notice:\u003c\/p\u003e\n\u003cul data-start=\"3071\" data-end=\"3256\"\u003e\n\u003cli data-section-id=\"1ixodqq\" data-start=\"3071\" data-end=\"3101\"\u003eDull or rounded cutting edge\u003c\/li\u003e\n\u003cli data-section-id=\"pdyfih\" data-start=\"3102\" data-end=\"3125\"\u003eBent or damaged blade\u003c\/li\u003e\n\u003cli data-section-id=\"o9gtuu\" data-start=\"3126\" data-end=\"3171\"\u003eExcessively long trimmer line after feeding\u003c\/li\u003e\n\u003cli data-section-id=\"rb54hv\" data-start=\"3172\" data-end=\"3200\"\u003eIncreased line consumption\u003c\/li\u003e\n\u003cli data-section-id=\"357d19\" data-start=\"3201\" data-end=\"3228\"\u003ePoor trimming performance\u003c\/li\u003e\n\u003cli data-section-id=\"kki8od\" data-start=\"3229\" data-end=\"3256\"\u003eMissing line cutter blade\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3258\" data-end=\"3422\"\u003eA worn or damaged line cutting blade can allow excess line to extend beyond the intended cutting diameter, reducing efficiency and increasing strain on the trimmer.\u003c\/p\u003e\n\u003chr data-start=\"3424\" data-end=\"3427\"\u003e\n\u003ch2 data-section-id=\"10va281\" data-start=\"3429\" data-end=\"3460\"\u003eInstallation \u0026amp; Service Notes\u003c\/h2\u003e\n\u003cp data-start=\"3462\" data-end=\"3559\"\u003eDisconnect the trimmer from the power source or remove the battery before performing maintenance.\u003c\/p\u003e\n\u003cp data-start=\"3561\" data-end=\"4106\"\u003eRemove the mounting screw securing the existing \u003cstrong data-start=\"3609\" data-end=\"3640\"\u003e90559117 Line Cutting Blade\u003c\/strong\u003e to the trimmer guard. Remove the worn blade, clean the mounting surface, and inspect the guard for damage. Position the replacement blade in the original orientation and secure it using the original mounting screw or a replacement screw if necessary. Verify that the blade is firmly attached before returning the trimmer to service. Installation typically requires only a screwdriver and can be completed in just a few minutes. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"4108\" data-end=\"4376\"\u003e\u003cstrong data-start=\"4108\" data-end=\"4122\"\u003eImportant:\u003c\/strong\u003e Always verify your trimmer model and original part number before ordering. Wear gloves when handling the blade, as the cutting edge is sharp. Inspect the trimmer guard during replacement and replace any damaged guard components to ensure safe operation.\u003c\/p\u003e\n\u003chr data-start=\"4378\" data-end=\"4381\"\u003e\n\u003ch2 data-section-id=\"8fimbm\" data-start=\"4383\" data-end=\"4413\"\u003eMaintenance Recommendations\u003c\/h2\u003e\n\u003cul data-start=\"4415\" data-end=\"4869\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"7y0noc\" data-start=\"4415\" data-end=\"4477\"\u003eInspect the line cutting blade regularly for wear or damage.\u003c\/li\u003e\n\u003cli data-section-id=\"144jihp\" data-start=\"4478\" data-end=\"4539\"\u003eRemove grass buildup from the trimmer guard after each use.\u003c\/li\u003e\n\u003cli data-section-id=\"1x82r2l\" data-start=\"4540\" data-end=\"4610\"\u003eReplace dull or bent blades promptly to maintain proper line length.\u003c\/li\u003e\n\u003cli data-section-id=\"15ozdrp\" data-start=\"4611\" data-end=\"4685\"\u003eCheck that the mounting screw remains secure during routine maintenance.\u003c\/li\u003e\n\u003cli data-section-id=\"6xd8fn\" data-start=\"4686\" data-end=\"4750\"\u003eKeep the guard clean to ensure proper automatic line trimming.\u003c\/li\u003e\n\u003cli data-section-id=\"14c209p\" data-start=\"4751\" data-end=\"4869\" data-is-last-node=\"\"\u003eUse genuine OEM replacement parts to maintain factory fit, safe operation, and long-term string trimmer performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Black \u0026 Decker","offers":[{"title":"Default Title","offer_id":53572046487915,"sku":"90559117","price":7.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9201\/5723\/files\/90559117.jpg?v=1784382314","url":"https:\/\/generalsprayers.com\/products\/black-decker-90559117-line-cutting-blade-genuine-oem-replacement-string-trimmer-line-cutter-blade","provider":"GeneralSprayers","version":"1.0","type":"link"}