{"id":18760,"date":"2025-08-13T15:50:09","date_gmt":"2025-08-13T19:50:09","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/caterpillar-445-0552-bushing-4450552\/"},"modified":"2025-08-13T15:50:10","modified_gmt":"2025-08-13T19:50:10","slug":"caterpillar-445-0552-bushing-4450552","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/caterpillar-445-0552-bushing-4450552\/","title":{"rendered":"CATERPILLAR 445-0552 Bushing 4450552"},"content":{"rendered":"

Caterpillar 445-0552 Bushing \u2013 OEM-Grade Durability and Precision Fit for Excavators and Engine Generator Sets<\/strong><\/p>\n

The Caterpillar 445-0552 bushing is a critical drivetrain component engineered to deliver exceptional wear resistance and precise alignment in heavy-duty applications. Manufactured from high-grade alloy steel with advanced metallurgy treatments, this bushing ensures superior hardness and fatigue strength under extreme load conditions. Designed specifically for a wide range of Caterpillar excavators\u2014including models 5GK-E110B, 8MF-E110B, 9HF-E110B, and many more\u2014as well as ZAA-3508 engine generator sets, the 445-0552 bushing guarantees OEM-grade compatibility and performance. Its exact dimensions and tolerances provide a seamless fit, reducing vibration and minimizing component wear to extend equipment service life.<\/p>\n

Technically, the 445-0552 bushing features precision-machined inner and outer diameters optimized for smooth rotational movement and load distribution within the pivot assemblies. Its robust construction withstands high-impact forces and abrasive environments commonly encountered in mining, construction, and heavy excavation operations. By maintaining proper alignment and reducing metal-to-metal contact, this bushing enhances drivetrain efficiency and prevents premature failure of connected parts. Investing in this genuine Caterpillar spare part ensures reliable operation, reduces downtime, and supports peak machine productivity.<\/p>\n

\ud83d\udd17 For detailed specifications and to purchase the Caterpillar 445-0552 bushing, visit the official product page at Caterpillar 445-0552 Bushing on AllParts Expert<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"

ZAA-3508 Engine – Generator Set
\n5GK-E110B Excavator
\n8MF-E110B Excavator
\n9HF-E110B Excavator
\n4XK-E120B Excavator
\n6JF-E120B Excavator
\n7NF-E120B Excavator
\n1LF-E120 Excavator
\n3FG-E110 Excavator
\n6GK-312-A Excavator
\n3FS-312B L Excavator
\n8JR-312B L Excavator
\n2NS-312B Excavator
\n9GR-312B Excavator
\nJBC-312D L Excavator
\nKES-312D L Excavator
\nWHJ-312D2 L Excavator
\nDGF-312D2 Excavator
\nNFZ-313 GC Excavator
\n9LJ-311-A Excavator
\n6BL-312-A Excavator
\nCBA-312C L Excavator
\nRXZ-312D2 GC Excavator
\nTJY-312D2 Excavator
\nLCY-313D2 Excavator
\nMDW-313D2 Excavator
\nPLD-313D2 Excavator
\nRDE-313D2 Excavator
\nJHR-313 Excavator
\nECN-314E CR Excavator
\nLYW-315 GC Excavator
\nWKX-315 Excavator
\nCLA-311D LRR Excavator
\nDDW-311D LRR Excavator
\nDWR-311D LRR Excavator
\nLKA-311D LRR Excavator
\nPNJ-311D LRR Excavator
\nFDS-312C Excavator
\nTGY-312D L Excavator
\nXGK-312D L Excavator
\nEAB-312D2 L Excavator
\nFAB-312D2 L Excavator
\nMGJ-312D2 L Excavator
\nMPP-312D2 L Excavator
\nKLE-312D2 Excavator
\nHCW-312D Excavator
\nRHL-312D Excavato<\/p>","protected":false},"featured_media":18606,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[28676],"model_no":[7040,7041,66889,57554,40219,40220,7042,7043,7044,50342,50341,34851,43037,40231,40229,40230,1038,40221,1039,40232,40223,40222,62241,57555,40236,40233,40235,1040,40237,40239,40238,66890,57556,57557,40240,40241,40242,40226,40224,40225,40227,43050,102236,2594,40253,103630,7075,105318,7076,40246],"product_cat":[144],"product_tag":[107163,107161,107158,107152,107155,107157,107160,107151,107154,107162,107150,107156,107153,107159],"class_list":{"0":"post-18760","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-caterpillar","7":"machine-type-engine-generator-set","8":"model_no-311-a","9":"model_no-311b","10":"model_no-311c","11":"model_no-311d-lrr","12":"model_no-311f-lrr","13":"model_no-312-gc","14":"model_no-312-a","15":"model_no-312b","16":"model_no-312b-l","17":"model_no-312c","18":"model_no-312c-l","19":"model_no-312d","20":"model_no-312d-l","21":"model_no-312d2","22":"model_no-312d2-gc","23":"model_no-312d2-l","24":"model_no-312e","25":"model_no-312e-l","26":"model_no-312f","27":"model_no-312f-gc","28":"model_no-40223","29":"model_no-313-gc","30":"model_no-313b","31":"model_no-313d","32":"model_no-313d2","33":"model_no-313d2-gc","34":"model_no-313d2-gc-2","35":"model_no-313f","36":"model_no-313f-gc","37":"model_no-313f-l","38":"model_no-313f-lgc","39":"model_no-314c","40":"model_no-314d-cr","41":"model_no-314d-lcr","42":"model_no-314e-cr","43":"model_no-314e-lcr","44":"model_no-314f-cr","45":"model_no-40226","46":"model_no-315-gc","47":"model_no-315f-lcr","48":"model_no-316-gc","49":"model_no-318f-l","50":"model_no-320d3-gc","51":"model_no-2594","52":"model_no-cb-536d","53":"model_no-e110","54":"model_no-e110b","55":"model_no-e120","56":"model_no-e120b","57":"model_no-other","58":"product_cat-mining","59":"product_tag-445-0552-bushing-for-311d-lrr-excavator","60":"product_tag-445-0552-bushing-for-315-gc-excavator","61":"product_tag-445-0552-construction-machinery-bushing","62":"product_tag-445-0552-excavator-bushing","63":"product_tag-445-0552-heavy-machinery-spare","64":"product_tag-cat-312d-bushing-445-0552","65":"product_tag-cat-445-0552-wear-part","66":"product_tag-cat-4450552-replacement","67":"product_tag-cat-bushing-for-312d-excavator","68":"product_tag-cat-spare-parts-445-0552","69":"product_tag-caterpillar-445-0552-bushing","70":"product_tag-caterpillar-engine-generator-parts-zaa-3508","71":"product_tag-caterpillar-excavator-parts-445-0552","72":"product_tag-caterpillar-mining-equipment-parts-445-0552","74":"first","75":"instock","76":"shipping-taxable","77":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/18760","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=18760"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media\/18606"}],"wp:attachment":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media?parent=18760"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_brand?post=18760"},{"taxonomy":"machine-type","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/machine-type?post=18760"},{"taxonomy":"model_no","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/model_no?post=18760"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_cat?post=18760"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_tag?post=18760"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}