{"product_id":"85800003-backup-ring","title":"85800003 Back-Up Ring Replacement for Case \/ New Holland | Ruijueparts","description":"\u003ch2 class=\"sec-head\"\u003eProduct Description\u003c\/h2\u003e\n\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003eLooking for a reliable 85800003 back-up ring replacement? Ruijueparts offers high-performance aftermarket sealing solutions compatible with Case and New Holland machinery. Our back-up rings prevent O-ring extrusion in high-pressure hydraulic systems, ensuring long-lasting equipment uptime and leak-free performance.\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: 100.09%; height: 195.938px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.6782%; height: 19.5938px;\"\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003e Part Number: \u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.7747%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e85800003\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 27.6782%; height: 39.1875px;\"\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003e Fits Models: \u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.7747%; height: 39.1875px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.6782%; height: 19.5938px;\"\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003e Brand:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.7747%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eCASE \u0026amp; New Holland \u003cmeta charset=\"utf-8\"\u003ereplacement\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.6782%; height: 19.5938px;\"\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003e Type: \u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.7747%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eHydraulic Back-Up Ring, \u003cmeta charset=\"utf-8\"\u003eHydraulic Sealing Accessory\u003c\/span\u003e\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 78.375px;\"\u003e\n\u003ctd style=\"width: 27.6782%; height: 78.375px;\"\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: 71.7747%; height: 78.375px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cmeta charset=\"utf-8\"\u003e \u003cb data-path-to-node=\"6,0,0\" data-index-in-node=\"0\"\u003eEquipment Type:\u003c\/b\u003e Backhoe Loaders, Excavators, and Wheel Loaders.\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cb data-path-to-node=\"6,1,0\" data-index-in-node=\"0\"\u003eBrand Compatibility:\u003c\/b\u003e Replacement for Case IH and New Holland construction equipment.\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cb data-path-to-node=\"6,2,0\" data-index-in-node=\"0\"\u003eSystem:\u003c\/b\u003e Hydraulic cylinder seal groups, specifically used in valve blocks and hydraulic pump connections to support O-rings under high pressure.\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.6782%; height: 19.5938px;\"\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003e Size:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.7747%; height: 19.5938px;\"\u003e \u003cspan\u003eStandard Size\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cspan\u003eFAQ\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eQ: \u003cmeta charset=\"utf-8\"\u003eIs this an OEM part or an aftermarket replacement?\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eA: \u003cmeta charset=\"utf-8\"\u003eThis is a premium aftermarket replacement part manufactured by Ruijueparts. It is designed to meet or exceed the original 85800003 specifications for fit and durability in Case\/New Holland machinery.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eQ: \u003cmeta charset=\"utf-8\"\u003eWhat is the primary function of the 85800003 back-up ring?\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eA: \u003cmeta charset=\"utf-8\"\u003eThe 85800003 is installed alongside an O-ring to prevent the seal from extruding into the clearance gap under high hydraulic pressure, effectively extending the life of the seal group.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eQ: \u003cmeta charset=\"utf-8\"\u003eWill this part fit my specific machine model?\u003cbr\u003eA: \u003cmeta charset=\"utf-8\"\u003eIt is widely used in Case and New Holland hydraulic systems. We recommend cross-referencing your equipment's parts manual with PN 85800003 or 185800003 to ensure a precise fit.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eQ: \u003cmeta charset=\"utf-8\"\u003eWhat material is used for this back-up ring?\u003cbr\u003eA: \u003cmeta charset=\"utf-8\"\u003eOur replacements typically use high-durometer NBR or PTFE (depending on the specific application environment) to provide the necessary rigidity and chemical resistance required for heavy-duty hydraulics.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RuiJueParts","offers":[{"title":"Default Title","offer_id":51852569379047,"sku":"85800003","price":2.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5251\/9399\/files\/1-26012312393R36.jpg?v=1772781718","url":"https:\/\/www.ruijueparts.com\/products\/85800003-backup-ring","provider":"RuiJueParts","version":"1.0","type":"link"}