{"product_id":"258-8600-radiator-seal","title":"258-8600 Radiator Seal For Caterpillar 621B | Ruijueparts","description":"\u003ch2 class=\"sec-head\"\u003eProduct Description\u003c\/h2\u003e\n\u003cdiv class=\"n6owBd awi2gc\"\u003e\n\u003cp\u003e\u003cspan\u003e258-8600 is an aftermarket replacement radiator seal cross-referenced to 272-5437 for selected Caterpillar modular cooling assemblies. This EPDM rubber seal is 159.4 mm long with a 48 mm inside diameter and is used to seal joints between radiator sections. It is important to confirm the removed seal length before ordering: 258-8600 \/ 272-5437 is shorter than 272-5438 and should not be treated as an interchangeable substitute. Ruijueparts helps B2B buyers check part numbers, machine information, and mixed cooling-system purchasing lists before quotation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cbr\u003e\u003c!--TgQPHd||[]--\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"Fsg96\"\u003e\u003c!--TgQPHd||[]--\u003e\u003c\/div\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 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%; height: 403.344px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 22.6641px;\"\u003e\n\u003ctd style=\"width: 33.2575%; height: 22.6641px;\"\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003ePart Number:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"et2\" height=\"17\" width=\"76\" style=\"height: 22.6641px; width: 66.5017%;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e258-8600, 2588600.\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 18.5938px;\"\u003e\n\u003ctd style=\"width: 33.2575%; height: 18.5938px;\"\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003eFits Models:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.5017%; height: 18.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cmeta charset=\"utf-8\"\u003e621B, 621E, 621F, 621G, 623B, 623E, 623F, 623G, 627E, 627F, 627G, 631D, 631E, 631G, 633D, 637D, 637E, 637G, 657E, 657G\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.2575%; height: 19.5938px;\"\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003eBrand:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.5017%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eCaterpillar replacement\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.7734px;\"\u003e\n\u003ctd style=\"width: 33.2575%; height: 59.7734px;\"\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003eType:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.5017%; height: 59.7734px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003eModular Radiator Seal \/ Cooling System Seal\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 263.125px;\"\u003e\n\u003ctd style=\"width: 33.2575%; height: 263.125px;\"\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eApplication:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.5017%; height: 263.125px;\"\u003e\n\u003cul\u003e\n\u003cli\u003eCooling System Repair | Used in selected modular radiator assemblies to seal radiator-section connections during cooling-system service. Confirm the radiator layout, original reference, seal length, and machine serial number before installation to avoid using the wrong modular seal.\u003c\/li\u003e\n\u003cli\u003eWheel Tractor Scrapers: 621B, 621E, 621F, 621G, 623B, 623E, 623F, 623G, 627E, 627F, 627G, 657E, 657G\u003c\/li\u003e\n\u003cli\u003eOff-Highway Trucks: 773F, 773G, 775F, 775G, 777D, 777G, 793D, 793F\u003c\/li\u003e\n\u003cli\u003eWheel Loader: 980H\u003c\/li\u003e\n\u003cli\u003eOther Listed Application: D10R\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.2575%; height: 19.5938px;\"\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003eSize:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.5017%; height: 19.5938px;\"\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: What is the equivalent reference for 258-8600?\u003c\/strong\u003e\u003cbr\u003e\u003cb\u003eA: \u003c\/b\u003e258-8600 is cross-referenced to 272-5437. Use both references in your inquiry, but confirm the radiator arrangement and original removed part before ordering.\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eQ2: Is 258-8600 the same as 272-5438?\u003cbr\u003e\u003c\/strong\u003e\u003cb\u003eA: \u003c\/b\u003eNo. 258-8600 \/ 272-5437 is 159.4 mm long, while 272-5438 is 216.8 mm long. They are separate modular radiator seals.\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eQ3: Is this item suitable for a hydraulic repair?\u003cbr\u003eA:\u003c\/strong\u003e No. This is a cooling-system radiator seal, not a hydraulic-cylinder, pump, motor, or transmission seal.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RuiJueParts","offers":[{"title":"Default Title","offer_id":52565900067047,"sku":"258-8600","price":4.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5251\/9399\/files\/2588600.jpg?v=1788492281","url":"https:\/\/www.ruijueparts.com\/products\/258-8600-radiator-seal","provider":"RuiJueParts","version":"1.0","type":"link"}