{"id":48173,"date":"2026-01-16T03:05:23","date_gmt":"2026-01-16T08:05:23","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/caterpillar-158-9058-cylinder-gp-boom-1589058\/"},"modified":"2026-01-16T03:05:26","modified_gmt":"2026-01-16T08:05:26","slug":"caterpillar-158-9058-cylinder-gp-boom-1589058","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/caterpillar-158-9058-cylinder-gp-boom-1589058\/","title":{"rendered":"CATERPILLAR 158-9058 Cylinder GP-Boom 1589058"},"content":{"rendered":"<p><strong>CATERPILLAR 158-9058 Cylinder GP-Boom \u2013 OEM-Grade Heavy Equipment Spare Part for 320 Series Excavators<\/strong><\/p>\n<p>The Caterpillar 158-9058 Cylinder GP-Boom is a precision-engineered hydraulic component designed for a wide range of 320 series excavators, including models 7JR-320B L, 9WS-320B L, 5MS-320B S, 1XS-320B, and many more. Manufactured to meet strict OEM specifications, this boom cylinder features robust metallurgy and precision machining to withstand high load conditions and rigorous drivetrain stresses typical in heavy excavation and mining operations. Its durable construction ensures optimal hydraulic performance, extending the service life of your excavator\u2019s boom mechanism while maintaining smooth and reliable operation under demanding worksite environments.<\/p>\n<p>Technically, the 158-9058 Cylinder GP-Boom incorporates high-strength steel alloys with corrosion-resistant coatings to prevent wear and fatigue. The cylinder\u2019s bore diameter and piston rod dimensions are optimized for maximum hydraulic efficiency and pressure tolerance, ensuring consistent force transmission and boom articulation. This part is engineered to deliver superior sealing integrity and resistance to contamination, which minimizes downtime and maintenance costs. Compatible with multiple 320 series excavator variants, this cylinder supports enhanced boom control and load handling, improving overall machine productivity and operational safety.<\/p>\n<p>\ud83d\udd17 For detailed specifications and to purchase the genuine Caterpillar 158-9058 Cylinder GP-Boom, visit <a href=\"https:\/\/allparts.expert\/es\/parts\/mining\/caterpillar-158-9058-cylinder-gp-boom-1589058\/\">AllParts Expert &#8211; Caterpillar 158-9058 Cylinder GP-Boom<\/a>.<\/p>\n<p>Optimize your excavator\u2019s performance with this durable, OEM-grade boom cylinder designed for longevity and precision in heavy-duty applications. Keywords: Caterpillar 158-9058, Cylinder GP-Boom, 320 series excavator parts, hydraulic boom cylinder, OEM heavy equipment spare parts.<\/p>","protected":false},"excerpt":{"rendered":"<p>7JR-320B L Excavator<br \/>\n9WS-320B L Excavator<br \/>\n5MS-320B S Excavator<br \/>\n1XS-320B Excavator<br \/>\n3YZ-320B Excavator<br \/>\n2AS-320B N Excavator<br \/>\nSBN-320C Excavator<br \/>\n6LW-320B L Excavator<br \/>\nAXK-320C Excavator<br \/>\nBBL-320C Excavator<br \/>\nBCN-320C Excavator<br \/>\nBDC-320C Excavator<br \/>\nBDE-320C Excavator<br \/>\nBEA-320C Excavator<br \/>\nBER-320C Excavator<br \/>\nBMZ-320C Excavator<br \/>\nDBG-320C Excavator<br \/>\nEGA-320C Excavator<br \/>\nEGL-320C Excavator<br \/>\nGAD-320C Excavator<br \/>\nGLA-320C Excavator<br \/>\nJPL-320C Excavator<br \/>\nJTG-320C Excavator<br \/>\nRAW-320C Excavator<br \/>\nSRT-320D FM RR Excavator<br \/>\nBWW-320D FM Excavator<br \/>\nCYZ-320D FM Excavator<br \/>\nA8F-320D L Excavator<br \/>\nMDE-320D L Excavator<br \/>\nA6F-320D Excavator<br \/>\nJGZ-320D Excavator<br \/>\nCYD-323D LN Excavator<br \/>\nRAC-323D LN Excavator<br \/>\nBYM-323D L Excavator<br \/>\nJLG-323D L Excavator<br \/>\nLFL-323D L Excavator<br \/>\nNDE-323D L Excavator<br \/>\nPBM-323D L Excavator<br \/>\nSDC-323D L Excavator<br \/>\nWGC-323D L Excavator<br \/>\nYSD-323D L Excavator<br \/>\nDKW-323D S Excavator<br \/>\nSED-323D S Excavator<br \/>\nA8F-320D Excavator<br \/>\nMDE-320D Excavator<br \/>\nSRT-320D Excavator<\/p>","protected":false},"featured_media":47208,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[52],"model_no":[7057,7058,42829,42830,7059,39370,2562,102491,41337,41341,41340,41343],"product_cat":[144],"product_tag":[316250,316262,316273,316237,316268,316265,316246,316256,316252,316242,316239,316260,316266,316254,316244,316248,316240,316264,316258,316270],"class_list":{"0":"post-48173","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-caterpillar","7":"machine-type-excavator","8":"model_no-320b","9":"model_no-320b-l","10":"model_no-320b-n","11":"model_no-320b-s","12":"model_no-320c","13":"model_no-320d","14":"model_no-320d-fm","15":"model_no-320d-fm-rr","16":"model_no-320d-l","17":"model_no-323d-l","18":"model_no-323d-ln","19":"model_no-323d-s","20":"product_cat-mining","21":"product_tag-158-9058-boom-cylinder-cat-parts","22":"product_tag-158-9058-boom-cylinder-for-mining-equipment","23":"product_tag-158-9058-caterpillar-excavator-hydraulic-cylinder","24":"product_tag-158-9058-cylinder-gp-boom","25":"product_tag-158-9058-cylinder-gp-boom-for-cat-320d","26":"product_tag-158-9058-gp-boom-cylinder-for-cat-320b","27":"product_tag-158-9058-hydraulic-cylinder","28":"product_tag-158-9058-hydraulic-excavator-cylinder","29":"product_tag-158-9058-replacement-cylinder-boom","30":"product_tag-1589058-boom-cylinder-for-320d","31":"product_tag-cat-158-9058-cylinder-boom","32":"product_tag-cat-158-9058-cylinder-for-323d-excavator","33":"product_tag-cat-158-9058-cylinder-for-construction-machinery","34":"product_tag-cat-158-9058-heavy-machinery-part","35":"product_tag-cat-320d-cylinder-gp-boom-158-9058","36":"product_tag-caterpillar-158-9058-excavator-cylinder","37":"product_tag-caterpillar-158-9058-excavator-part","38":"product_tag-caterpillar-1589058-excavator-hydraulic-part","39":"product_tag-caterpillar-320c-boom-cylinder-158-9058","40":"product_tag-heavy-equipment-boom-cylinder-158-9058-cat","42":"first","43":"instock","44":"shipping-taxable","45":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/48173","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=48173"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media\/47208"}],"wp:attachment":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media?parent=48173"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_brand?post=48173"},{"taxonomy":"machine-type","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/machine-type?post=48173"},{"taxonomy":"model_no","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/model_no?post=48173"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_cat?post=48173"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_tag?post=48173"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}