{"id":56163,"date":"2026-03-12T14:21:34","date_gmt":"2026-03-12T18:21:34","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/cat-330d-l-cylinder-gp-boom-2898021-caterpillar-289-8021-mining\/"},"modified":"2026-03-12T14:21:38","modified_gmt":"2026-03-12T18:21:38","slug":"cat-330d-l-cylinder-gp-boom-2898021-caterpillar-289-8021-mining","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/cat-330d-l-cylinder-gp-boom-2898021-caterpillar-289-8021-mining\/","title":{"rendered":"CAT 330D L CYLINDER GP-BOOM 2898021 | Caterpillar 289-8021 | Mining"},"content":{"rendered":"<p>Title<br \/>\nCaterpillar 289-8021 Cylinder Gp-Boom 2898021 | Fits 330D L, 330D, 330D LN Excavators<\/p>\n<p>\u2e3b<\/p>\n<p>Opening Paragraph<br \/>\nThe Caterpillar 289-8021 Cylinder Gp-Boom 2898021 is a precision-engineered OEM replacement component designed for 330D L, 330D, and 330D LN excavators operating in mining and heavy construction environments. Built for structural durability and exact fitment, this cylinder gp-boom 2898021 supports critical assemblies to ensure reliable performance and reduced downtime.<\/p>\n<p>\u2e3b<\/p>\n<p>Common Applications<br \/>\nThis Caterpillar 289-8021 cylinder gp-boom 2898021 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 330D L Excavator<br \/>\n&#8211; CAT 330D Excavator<br \/>\n&#8211; CAT 330D LN Excavator<br \/>\n&#8211; CAT 336D L Excavator<br \/>\n(Verify fitment with your specific serial number.)<\/p>\n<p>\u2e3b<\/p>\n<p>OEM Reference<br \/>\nPart Number: 289-8021<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-330d-l-cylinder-gp-boom-2898021-caterpillar-289-8021-mining\/\">https:\/\/allparts.expert\/parts\/mining\/cat-330d-l-cylinder-gp-boom-2898021-caterpillar-289-8021-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":55986,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[52],"model_no":[27649,3228,32231,3226,3225,3230,3209,3229,3213,3211,3212,3217,3233,3218,3238,3234,3219,3235,3237,3236,3205,3204,3220,3240,3239,3202,3221,3241,3214,3207,3242,2466,30513,30514,93208,32237],"product_cat":[144],"product_tag":[376254,376261,376252,376247,376263,376256,376258,376250,376251,376259,376248,376262,376246,376255,376253,376257,376245,376249,376260,376264],"class_list":{"0":"post-56163","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-caterpillar","7":"machine-type-excavator","8":"model_no-324d-l","9":"model_no-330d","10":"model_no-330d-fm","11":"model_no-330d-l","12":"model_no-330d-ln","13":"model_no-336d","14":"model_no-336d-l","15":"model_no-336d-ln","16":"model_no-336d2","17":"model_no-336d2-gc","18":"model_no-336d2-l","19":"model_no-336d2-l-xe","20":"model_no-336d2-lxe","21":"model_no-336d2-xe","22":"model_no-336e","23":"model_no-336e-h","24":"model_no-336e-l","25":"model_no-336e-lh","26":"model_no-336e-ln","27":"model_no-336e-lnh","28":"model_no-336f","29":"model_no-336f-l","30":"model_no-336f-l-xe","31":"model_no-336f-ln","32":"model_no-336f-ln-xe","33":"model_no-336f-lnxe","34":"model_no-336f-xe","35":"model_no-340d-l","36":"model_no-340d2-l","37":"model_no-340f","38":"model_no-340f-l-lre","39":"model_no-345c-l","40":"model_no-345d","41":"model_no-349d-l","42":"model_no-568-f","43":"model_no-568-fm","44":"product_cat-mining","45":"product_tag-289-8021-boom-assembly","46":"product_tag-289-8021-boom-gp","47":"product_tag-289-8021-cat-excavator-parts","48":"product_tag-289-8021-caterpillar-parts","49":"product_tag-289-8021-parts-catalog","50":"product_tag-289-8021-parts-for-cat","51":"product_tag-2898021-cat-boom-part","52":"product_tag-2898021-excavator-parts","53":"product_tag-cat-289-8021-hydraulic-cylinder","54":"product_tag-cat-289-8021-oem-parts","55":"product_tag-cat-289-8021-replacement","56":"product_tag-cat-289-8021-replacement-parts","57":"product_tag-cat-2898021-boom-cylinder","58":"product_tag-cat-cylinder-gp-289-8021","59":"product_tag-caterpillar-289-8021-assembly","60":"product_tag-caterpillar-289-8021-components","61":"product_tag-caterpillar-289-8021-cylinder","62":"product_tag-caterpillar-289-8021-gp","63":"product_tag-caterpillar-2898021-hydraulic-parts","64":"product_tag-caterpillar-excavator-289-8021-parts","66":"first","67":"instock","68":"shipping-taxable","69":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/56163","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=56163"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media\/55986"}],"wp:attachment":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media?parent=56163"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_brand?post=56163"},{"taxonomy":"machine-type","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/machine-type?post=56163"},{"taxonomy":"model_no","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/model_no?post=56163"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_cat?post=56163"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_tag?post=56163"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}