{"id":55126,"date":"2026-02-26T21:22:10","date_gmt":"2026-02-27T02:22:10","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/cat-d8r-pump-gp-piston-steering-1394151-caterpillar-139-4151-mining\/"},"modified":"2026-02-26T21:22:12","modified_gmt":"2026-02-27T02:22:12","slug":"cat-d8r-pump-gp-piston-steering-1394151-caterpillar-139-4151-mining","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/cat-d8r-pump-gp-piston-steering-1394151-caterpillar-139-4151-mining\/","title":{"rendered":"CAT D8R PUMP GP-PISTON -STEERING 1394151 | Caterpillar 139-4151 | Mining"},"content":{"rendered":"<p>Title<br \/>\nCaterpillar 139-4151 Pump Gp-Piston -Steering 1394151 | Fits D8R, D8R II, D8N Excavators  <\/p>\n<p>\u2e3b  <\/p>\n<p>Opening Paragraph<br \/>\nThe Caterpillar 139-4151 Pump Gp-Piston -Steering 1394151 is a precision-engineered OEM replacement component designed for D8R, D8R II, and D8N excavators operating in mining and heavy construction environments. Built for structural durability and exact fitment, this pump gp-piston -steering 1394151 supports critical assemblies to ensure reliable performance and reduced downtime.  <\/p>\n<p>\u2e3b  <\/p>\n<p>Common Applications<br \/>\nThis Caterpillar 139-4151 pump gp-piston -steering 1394151 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 D8R Excavator<br \/>\n&#8211; CAT D8R II Excavator<br \/>\n&#8211; CAT D8N Excavator<br \/>\n&#8211; CAT D8 GC Excavator<br \/>\n(Verify fitment with your specific serial number.)  <\/p>\n<p>\u2e3b  <\/p>\n<p>OEM Reference<br \/>\nPart Number: 139-4151<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-d8r-pump-gp-piston-steering-1394151-caterpillar-139-4151-mining\/\">https:\/\/allparts.expert\/parts\/mining\/cat-d8r-pump-gp-piston-steering-1394151-caterpillar-139-4151-mining\/<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Direct OEM Genuine<\/p>\n<p>Multi-Model Compatibility<\/p>\n<p>Heavy-Duty Mining Grade<\/p>\n<p>Serial Verification Available<\/p>\n<p>Worldwide Shipping<\/p>","protected":false},"featured_media":54858,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[6465],"model_no":[19938,11937,19939,1682,11938],"product_cat":[144],"product_tag":[369021,369018,205644,61877,358770,61864,235144,61889,369017,369020,369023,369022,369016,369019,235149,369024,234833,369025,235157],"class_list":{"0":"post-55126","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-d8-gc","9":"model_no-d8gc","10":"model_no-d8n","11":"model_no-d8r","12":"model_no-d8r-ii","13":"product_cat-mining","14":"product_tag-139-4151-caterpillar-pump-replacement","15":"product_tag-139-4151-piston-pump","16":"product_tag-5tj-d8n-caterpillar-parts","17":"product_tag-6yz-d8r-ii-track-type-tractor-parts","18":"product_tag-7tk-d8n-track-type-tractor-components","19":"product_tag-7xm-d8r-track-type-tractor-parts","20":"product_tag-9em-d8r-track-type-tractor-spares","21":"product_tag-aka-d8r-ii-parts","22":"product_tag-cat-139-4151-steering-pump","23":"product_tag-cat-1394151-steering-components","24":"product_tag-cat-6yz-d8r-ii-components","25":"product_tag-cat-7xm-d8r-components","26":"product_tag-caterpillar-139-4151-pump","27":"product_tag-caterpillar-1394151-parts","28":"product_tag-kgx-d8-gc-track-type-tractor-parts","29":"product_tag-m8d-d8gc-track-type-tractor-components","30":"product_tag-mej-d8r-track-type-tractor-parts","31":"product_tag-rjm-d8r-caterpillar-parts","32":"product_tag-t5x-d8r-track-type-tractor-spares","34":"first","35":"instock","36":"shipping-taxable","37":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/55126","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=55126"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media\/54858"}],"wp:attachment":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media?parent=55126"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_brand?post=55126"},{"taxonomy":"machine-type","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/machine-type?post=55126"},{"taxonomy":"model_no","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/model_no?post=55126"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_cat?post=55126"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_tag?post=55126"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}