{"id":53874,"date":"2026-02-19T12:10:39","date_gmt":"2026-02-19T17:10:39","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/cat-d6r-ii-8e-5279-piston-8e5279-caterpillar-mining\/"},"modified":"2026-02-19T12:10:42","modified_gmt":"2026-02-19T17:10:42","slug":"cat-d6r-ii-8e-5279-piston-8e5279-caterpillar-mining","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/cat-d6r-ii-8e-5279-piston-8e5279-caterpillar-mining\/","title":{"rendered":"CAT D6R II 8E-5279 PISTON 8E5279 | Caterpillar | Mining"},"content":{"rendered":"<p>Title<br \/>\nCaterpillar 8E-5279 Piston 8E5279 | Fits D6R II, D7R II, 57H Excavators<\/p>\n<p>\u2e3b<\/p>\n<p>Opening Paragraph<br \/>\nThe Caterpillar 8E-5279 Piston 8E5279 is a precision-engineered OEM replacement component designed for D6R II, D7R II, and 57H excavators operating in mining and heavy construction environments. Built for structural durability and exact fitment, this piston supports critical assemblies to ensure reliable performance and reduced downtime.<\/p>\n<p>\u2e3b<\/p>\n<p>Common Applications<br \/>\nThis Caterpillar 8E-5279 piston 8E5279 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 D6R II Excavator<br \/>\n&#8211; CAT D7R II Excavator<br \/>\n&#8211; CAT 57H Excavator<br \/>\n&#8211; CAT D6H II Excavator<br \/>\n(Verify fitment with your specific serial number.)<\/p>\n<p>\u2e3b<\/p>\n<p>OEM Reference<br \/>\nPart Number: 8E-5279<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-d6r-ii-8e-5279-piston-8e5279-caterpillar-mining\/\">https:\/\/allparts.expert\/parts\/mining\/cat-d6r-ii-8e-5279-piston-8e5279-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":52995,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[6465],"model_no":[38900,21060,38899,38896,38898,38897,20589,20585,20587,41230,20586,20588,27953,27954,2068,41144,33284,33285,660,27955,27956,27957,2069,27950,2071,2072,27951,11938],"product_cat":[144],"product_tag":[360118,360115,360113,360119,360117,360116,360114],"class_list":{"0":"post-53874","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-caterpillar","7":"machine-type-track-type-tractor","8":"model_no-56h","9":"model_no-57h","10":"model_no-38899","11":"model_no-6a","12":"model_no-6s","13":"model_no-6su","14":"model_no-20589","15":"model_no-7a","16":"model_no-7s","17":"model_no-7s-lgp","18":"model_no-7su","19":"model_no-7u","20":"model_no-d5r-lgp","21":"model_no-d5r-xl","22":"model_no-d6h","23":"model_no-d6h-ii","24":"model_no-d6h-xl","25":"model_no-d6h-xr","26":"model_no-d6n","27":"model_no-d6n-lgp","28":"model_no-d6n-oem","29":"model_no-d6n-xl","30":"model_no-d6r","31":"model_no-d6r-ii","32":"model_no-d7h","33":"model_no-d7r","34":"model_no-d7r-ii","35":"model_no-d8r-ii","36":"product_cat-mining","37":"product_tag-8e-5279-piston","38":"product_tag-8e5279-caterpillar-engine-component","39":"product_tag-8e5279-track-type-tractor-piston","40":"product_tag-cat-8e-5279-parts","41":"product_tag-cat-8e-5279-track-type-tractor","42":"product_tag-caterpillar-8e-5279-spare-part","43":"product_tag-caterpillar-8e5279-replacement","45":"first","46":"instock","47":"shipping-taxable","48":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/53874","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=53874"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media\/52995"}],"wp:attachment":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media?parent=53874"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_brand?post=53874"},{"taxonomy":"machine-type","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/machine-type?post=53874"},{"taxonomy":"model_no","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/model_no?post=53874"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_cat?post=53874"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_tag?post=53874"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}