{"product_id":"707-99-66670-komatsu","title":"707-99-66670 Arm Cylinder Seal Kit for Komatsu PC400-7 PC450-7 | Ruijueparts","description":"\u003cul\u003e\u003c\/ul\u003e\n\u003ch2 class=\"sec-head\"\u003eProduct Description\u003c\/h2\u003e\n\u003cp data-path-to-node=\"5\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003eEnhance the reliability of your heavy-duty excavator with the 707-99-66670 Arm Cylinder Seal Kit. Specifically engineered for Komatsu PC400-7 and PC450-7 series, this premium aftermarket kit is designed to handle the rigorous demands of high-load excavation. It perfectly fits 185mm bore and 130mm rod cylinders, ensuring a precise seal that prevents \"arm drift\" and hydraulic fluid leakage. Our kit features high-grade Step Seals and Buffer Seals to maintain consistent hydraulic pressure during intense digging. At Ruijueparts, we provide industrial-strength sealing solutions that match the performance of original parts while offering superior cost-efficiency for your fleet maintenance.\u003cbr\u003e\u003c\/p\u003e\n\u003ch2 id=\"s0-2-1-25-5-20-1-101[1]-2-3-7[0]-4[0]-3[0]-11[1]-1-5-title\" class=\"section-title__title\"\u003e\u003cspan data-testid=\"ux-textual-display\" class=\"ux-layout-section-module-evo__title\"\u003e\u003cspan class=\"ux-textspans\"\u003eItem specifics\u003c\/span\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable width=\"100%\" style=\"width: 100.088%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.7188%;\"\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003ePart Number:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.8534%;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e707-99-66670\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.7188%;\"\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003eFits Models:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.8534%;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003ePC400-7 \/ PC400LC-7 \/ PC400-7-M1PC450-7 \/ PC450LC-7\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.7188%;\"\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003eBrand:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.8534%;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eKOMATSU \u003cmeta charset=\"utf-8\"\u003ereplacement\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.7188%;\"\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003eType:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.8534%;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cmeta charset=\"utf-8\"\u003eHydraulic Cylinder Repair Kit \/ Arm Cylinder Seal Kit\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.7188%;\"\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cspan data-path-to-node=\"3,9,1,0\"\u003eApplication:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.8534%;\"\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003eA high-performance solution to rebuild and reseal the hydraulic Arm Cylinders on Komatsu PC400-7 and PC450-7 Excavators. This kit is critical for preventing pressure loss, eliminating external leaks, and protecting hydraulic systems from contaminants during large-scale earthmoving, mining, and quarrying operations.\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.7188%;\"\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003eSize:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.8534%;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eStandard Size\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFAQ\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eQ1: \u003cmeta charset=\"utf-8\"\u003eDoes this kit fit the PC400LC-7 and PC450LC-7 long chassis models?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eYes, it is fully compatible with the LC (Long Crawler) versions of the PC400-7 and PC450-7 series using standard arm cylinders.\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eQ2: \u003cmeta charset=\"utf-8\"\u003eWhat components are included in this 707-99-66670 kit?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eThis is a comprehensive kit including the Step Seal, Buffer Seal, Dust Seal, Piston Seals, Wear Rings, and all necessary O-rings for a complete cylinder rebuild.\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eQ3: Can you help verify if this fits my specific machine serial number?\u003cbr\u003eA: \u003c\/strong\u003eAbsolutely. We have a database of over 30,000 part numbers. Simply provide your SN, and our technical team will confirm the compatibility for you.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RuiJueParts","offers":[{"title":"Default Title","offer_id":51762776735975,"sku":"707-99-66670","price":21.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5251\/9399\/files\/7079966670_seal.jpg?v=1777964596","url":"https:\/\/www.ruijueparts.com\/products\/707-99-66670-komatsu","provider":"RuiJueParts","version":"1.0","type":"link"}