{"id":53981,"date":"2026-02-19T12:58:48","date_gmt":"2026-02-19T17:58:48","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/cat-631e-8j-9924-rod-piston-8j9924-caterpillar-mining\/"},"modified":"2026-02-19T12:58:50","modified_gmt":"2026-02-19T17:58:50","slug":"cat-631e-8j-9924-rod-piston-8j9924-caterpillar-mining","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/cat-631e-8j-9924-rod-piston-8j9924-caterpillar-mining\/","title":{"rendered":"CAT 631E 8J-9924 ROD PISTON 8J9924 | Caterpillar | Mining"},"content":{"rendered":"<p>Title<br \/>\nCaterpillar 8J-9924 Rod Piston 8J9924 | Fits 631E, 637E, 633E Excavators<\/p>\n<p>\u2e3b<\/p>\n<p>Opening Paragraph<br \/>\nThe Caterpillar 8J-9924 Rod Piston 8J9924 is a precision-engineered OEM replacement component designed for 631E, 637E, and 633E excavators operating in mining and heavy construction environments. Built for structural durability and exact fitment, this rod piston supports critical assemblies to ensure reliable performance and reduced downtime.<\/p>\n<p>\u2e3b<\/p>\n<p>Common Applications<br \/>\nThis Caterpillar 8J-9924 rod piston is essential for:<br \/>\n&#8211; Professional maintenance of CAT excavators.<br \/>\n&#8211; Direct replacement of worn structural and pivot components.<br \/>\n&#8211; Heavy-duty mining and earthmoving operations.<br \/>\n&#8211; Maintaining proper alignment in equipment linkage systems.<\/p>\n<p>\u2e3b<\/p>\n<p>Fits The Following Models<br \/>\n&#8211; CAT 631E Excavator<br \/>\n&#8211; CAT 637E Excavator<br \/>\n&#8211; CAT 633E Excavator<br \/>\n&#8211; CAT 631D Excavator<br \/>\n(Verify fitment with your specific serial number.)<\/p>\n<p>\u2e3b<\/p>\n<p>OEM Reference<br \/>\nPart Number: 8J-9924<br \/>\nBrand: Caterpillar<br \/>\nCategory: Mining<br \/>\nMachine Type: Hydraulic Excavator<br \/>\nCondition: OEM \/ Genuine-Style Replacement<\/p>\n<p>\u2e3b<\/p>\n<p>Product Details and Availability<br \/>\nIn Stock (if confirmed).<br \/>\nGlobal Shipping Available.<br \/>\nSerial Number Verification Support.<br \/>\nRequest Fast Quote for Current Market Pricing.<\/p>\n<p>Access full technical specifications and availability here:<br \/>\n<a href=\"https:\/\/allparts.expert\/es\/parts\/mining\/cat-631e-8j-9924-rod-piston-8j9924-caterpillar-mining\/\">https:\/\/allparts.expert\/parts\/mining\/cat-631e-8j-9924-rod-piston-8j9924-caterpillar-mining\/<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Direct OEM Genuine<br \/>\nMulti-Model Compatibility<br \/>\nHeavy-Duty Mining Grade<br \/>\nSerial Verification Available<br \/>\nWorldwide Shipping<\/p>","protected":false},"featured_media":53220,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[18046],"model_no":[15473,8799,15478,15474,41315,15475,8800,15479,15476],"product_cat":[144],"product_tag":[360725,360726,360721,360723,360722,360724,360720],"class_list":{"0":"post-53981","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-caterpillar","7":"machine-type-wheel-tractor-scraper","8":"model_no-631d","9":"model_no-631e","10":"model_no-631g","11":"model_no-633d","12":"model_no-633e","13":"model_no-637d","14":"model_no-637e","15":"model_no-637g","16":"model_no-639d","17":"product_cat-mining","18":"product_tag-8j-9924-piston-rod","19":"product_tag-cat-8j-9924-parts","20":"product_tag-caterpillar-1bb-631e-components","21":"product_tag-caterpillar-1hb-637e-components","22":"product_tag-caterpillar-6pc-631e-replacement","23":"product_tag-caterpillar-7cb-637e-replacement","24":"product_tag-caterpillar-8j-9924-replacement","26":"first","27":"instock","28":"shipping-taxable","29":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/53981","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/comments?post=53981"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media\/53220"}],"wp:attachment":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media?parent=53981"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_brand?post=53981"},{"taxonomy":"machine-type","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/machine-type?post=53981"},{"taxonomy":"model_no","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/model_no?post=53981"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_cat?post=53981"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_tag?post=53981"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}