{"id":14414,"date":"2025-07-18T17:30:50","date_gmt":"2025-07-18T21:30:50","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/caterpillar-3k-6905-breather-3k6905\/"},"modified":"2025-07-18T17:30:51","modified_gmt":"2025-07-18T21:30:51","slug":"caterpillar-3k-6905-breather-3k6905","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/caterpillar-3k-6905-breather-3k6905\/","title":{"rendered":"CATERPILLAR 3K-6905 Breather 3K6905"},"content":{"rendered":"

Caterpillar 3K-6905 Breather \u2013 OEM-Grade Durability and Precision Fit for Industrial Engines and Earthmoving Equipment<\/strong><\/p>\n

The Caterpillar 3K-6905 breather is a critical component engineered for optimal ventilation and pressure regulation across a wide range of heavy-duty Caterpillar machinery. Designed to fit numerous models including earthmoving compactors (57U-816, 91P-815) and industrial engines such as the 8RB-3606, 6MC-3608, and 23C-3306, this breather ensures efficient crankcase ventilation under high load conditions. Manufactured with premium-grade materials, the 3K-6905 breather boasts exceptional corrosion resistance and dimensional accuracy, typically featuring a robust housing with precise sealing surfaces to maintain system integrity and prevent contamination ingress.<\/p>\n

Technically, the 3K-6905 breather supports optimal engine performance by regulating internal pressures and facilitating the escape of blow-by gases, thus reducing oil contamination and extending engine life. Its metallurgy and design are tailored to withstand harsh operating environments, including high temperatures and particulate exposure common in earthmoving and industrial applications. The breather\u2019s compatibility with a broad spectrum of Caterpillar engines\u2014from the MC8-3126 to the 9ER-3408C\u2014makes it an indispensable part for maintaining drivetrain efficiency and engine reliability. OEM-grade quality ensures seamless integration and long-term durability, minimizing downtime and maintenance costs.<\/p>\n

\ud83d\udd17 For detailed specifications and to purchase the Caterpillar 3K-6905 breather, visit the official product page at Caterpillar 3K-6905 Breather | AllParts Expert<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"

57U-816 Earthmoving Compactor
\n91P-815 Earthmoving Compactor
\n8RB-3606 Engine – Generator Set
\n6MC-3608 Engine – Generator Set
\n02B-3304 Engine – Industrial
\n04B-3304 Engine – Industrial
\n02B-D330C Engine – Industrial
\n04B-D330C Engine – Industrial
\n23C-3306 Engine – Industrial
\n66D-3306 Engine – Industrial
\n63B-D320A Engine – Industrial
\n23C-D333C Engine – Industrial
\n66D-D333C Engine – Industrial
\nMC8-3126 Engine – Industrial
\nKG2-C27 INDUSTRIAL Engine – Industrial
\n4KR-3114 Engine – Industrial
\n2MR-3116 Engine – Industrial
\n4PG-3116 Engine – Industrial
\n5EN-3116 Engine – Industrial
\nBEJ-3126B Engine – Industrial
\nDCS-3126B Engine – Industrial
\n3TR-3126 Engine – Industrial
\n6MS-3126 Engine – Industrial
\n9ZR-3126 Engine – Industrial
\n2AW-3176C Engine – Industrial
\n1DW-3196 Engine – Industrial
\n3ER-3406C Engine – Industrial
\n6TB-3406C Engine – Industrial
\n67U-3408B Engine – Industrial
\n9ER-3408C Engine – Industrial
\n67U-3408 Engine – Industrial
\n8AR-3412C Engine – Industrial
\n4CR-3412E Engine – Industrial
\nBD<\/p>","protected":false},"featured_media":14016,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[15344],"model_no":[731,2484,6731,2057,2483,732,2059,6732,2062,37514,2520,39033,7182,7193,38655,6726,2052,2053,7198,7183,41415,38850,27647,27642,38113,38114,37496,2050,6689,38849,3373,3374,1231,3376,3377,2147,2148,6733,6734,6735,6736,6737,688,690,37540,37539,37543,37544,37541,37545,6743,38115,27643,38118,40200,37504,2943,2656,33019,2657,27644,34846,37531,36605,37532,2674,37499,40292,37502,40291,37503,42296,42360,2670,21055,21051,21056,21049,21053,21052,21050,21054,37533,37534,2675,2676,6568,40992,40993,40991],"product_cat":[144],"product_tag":[76072,76073,76069,76075,74470,76074,76077,76071,76078,75996,50592,76076,76068,76079,76080,76067,76070,71218,46126,76081],"class_list":{"0":"post-14414","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-caterpillar","7":"machine-type-earthmoving-compactor","8":"model_no-731","9":"model_no-120g","10":"model_no-12f","11":"model_no-12g","12":"model_no-130g","13":"model_no-732","14":"model_no-140g","15":"model_no-14e","16":"model_no-14g","17":"model_no-1673c","18":"model_no-16g","19":"model_no-39033","20":"model_no-215b","21":"model_no-7193","22":"model_no-38655","23":"model_no-6726","24":"model_no-235b","25":"model_no-235c","26":"model_no-7198","27":"model_no-245b","28":"model_no-41415","29":"model_no-38850","30":"model_no-27647","31":"model_no-3126b","32":"model_no-3176c","33":"model_no-38114","34":"model_no-37496","35":"model_no-2050","36":"model_no-3406c","37":"model_no-38849","38":"model_no-3408b","39":"model_no-3408c","40":"model_no-1231","41":"model_no-3412c","42":"model_no-3412e","43":"model_no-2147","44":"model_no-2148","45":"model_no-561c","46":"model_no-571f","47":"model_no-571g","48":"model_no-572f","49":"model_no-572g","50":"model_no-688","51":"model_no-690","52":"model_no-37540","53":"model_no-941b","54":"model_no-951b","55":"model_no-951c","56":"model_no-955k","57":"model_no-955l","58":"model_no-977k","59":"model_no-c-10","60":"model_no-c-12","61":"model_no-c-15","62":"model_no-c-16","63":"model_no-c-9","64":"model_no-c15","65":"model_no-c27","66":"model_no-c27-industrial","67":"model_no-c32","68":"model_no-c7","69":"model_no-c9","70":"model_no-cb-534","71":"model_no-cb-614","72":"model_no-cx31-c9i","73":"model_no-cx35-p800","74":"model_no-d320a","75":"model_no-d330a","76":"model_no-d330c","77":"model_no-d333a","78":"model_no-d333c","79":"model_no-e300","80":"model_no-el300","81":"model_no-m325c","82":"model_no-rm-250c","83":"model_no-rm-350","84":"model_no-rm-350b","85":"model_no-rr-250","86":"model_no-rr-250b","87":"model_no-sm-350","88":"model_no-ss-250","89":"model_no-ss-250b","90":"model_no-th31-c9i","91":"model_no-th31-c9p","92":"model_no-th48","93":"model_no-th48-e70","94":"model_no-th48-e80","95":"model_no-th63","96":"model_no-th82","97":"model_no-th83","98":"product_cat-mining","99":"product_tag-02b-3304-industrial-engine-components","100":"product_tag-23c-3306-engine-breather-replacement","101":"product_tag-3k-6905-breather-cap","102":"product_tag-3tr-3126-engine-breather","103":"product_tag-57u-816-earthmoving-compactor-part","104":"product_tag-66d-3306-industrial-engine-part","105":"product_tag-67u-3408b-industrial-engine-breather","106":"product_tag-6mc-3608-cat-engine-parts","107":"product_tag-8ar-3412c-engine-spare-parts","108":"product_tag-8rb-3606-engine-generator-set-parts","109":"product_tag-91p-815-compactor-spare-parts","110":"product_tag-9zr-3126-cat-engine-parts","111":"product_tag-cat-3k6905-breather-valve","112":"product_tag-cat-breather-valve-3k-6905","113":"product_tag-cat-industrial-engine-parts-04b-3304","114":"product_tag-caterpillar-3k-6905-breather","115":"product_tag-caterpillar-breather-3k6905","116":"product_tag-construction-machinery-engine-spare-parts","117":"product_tag-earthmoving-compactor-parts-57u-816","118":"product_tag-mining-equipment-engine-breather","120":"first","121":"instock","122":"shipping-taxable","123":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/14414","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=14414"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media\/14016"}],"wp:attachment":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media?parent=14414"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_brand?post=14414"},{"taxonomy":"machine-type","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/m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