{"id":12916,"date":"2025-07-17T12:56:48","date_gmt":"2025-07-17T16:56:48","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/caterpillar-109-0078-seal-o-ring-1090078\/"},"modified":"2025-07-17T12:56:49","modified_gmt":"2025-07-17T16:56:49","slug":"caterpillar-109-0078-seal-o-ring-1090078","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/caterpillar-109-0078-seal-o-ring-1090078\/","title":{"rendered":"CATERPILLAR 109-0078 Seal-O-Ring 1090078"},"content":{"rendered":"<p><strong>Caterpillar 109-0078 Seal-O-Ring: Durable OEM-Grade Seal for Articulated Dump Trucks and Cold Planers<\/strong><\/p>\n<p>The Caterpillar 109-0078 Seal-O-Ring is a precision-engineered component designed to provide superior sealing performance in a wide range of heavy equipment applications. Manufactured to OEM specifications, this seal-o-ring ensures optimal fit and function in various Caterpillar articulated dump trucks and cold planers. Crafted from high-grade elastomeric materials, the seal offers excellent resistance to hydraulic fluids, extreme temperatures, and abrasive contaminants, making it ideal for demanding drivetrain and hydraulic system environments. Its robust design supports reliable sealing under high-pressure load conditions, minimizing leakage and enhancing overall equipment efficiency.<\/p>\n<p>Technically, the 109-0078 Seal-O-Ring features a critical cross-sectional diameter tailored to maintain a tight seal within the hydraulic cylinders and joints of models such as the 2YR-D400E, 8TF-D400D, and 5ZS-PM-465 Cold Planer. The material metallurgy combines flexibility with tensile strength, ensuring long service life and reduced downtime. This seal\u2019s compatibility with a broad range of Caterpillar machinery\u2014from articulated dump trucks to cold planers\u2014makes it an essential spare part for maintaining peak operational performance and extending equipment longevity.<\/p>\n<p>For reliable replacement parts that meet stringent Caterpillar standards, explore the full product details and order the 109-0078 Seal-O-Ring directly from our trusted supplier: \ud83d\udd17 <a href=\"https:\/\/allparts.expert\/es\/parts\/mining\/caterpillar-109-0078-seal-o-ring-1090078\/\">Caterpillar 109-0078 Seal-O-Ring Product Page<\/a>.<\/p>\n<p><strong>Related part numbers:<\/strong> 109-0078, 2YR-D400E, 8TF-D400D, 2JJ-D40D, 9LR-D350E, 3FD-D35HP, B1N-735, B1P-740, B1R-740, WWC-735, AWR-735, WWD-740, 1MD-D400, L4D-735B, AXM-740, DTX-740, AZZ-740, 2XW-D350E II, 8PS-D400E II, AKN-MT735, ALA-MT745, ALM-MT755, AMS-MT765, 812-MTC735, 813-MTC745, 814-MTC755, 815-MTC765, 5ZS-PM-465, 3TK-PM-565, 5XC-PR-1000C, 5XC-PR-1000, P1C-PM-200, P1M-PM-200, PNM-PM-201, 7PJ-PR-450C, 8GS-PM-565B, 7DC-PR-450<\/p>","protected":false},"excerpt":{"rendered":"<p>2YR-D400E Articulated Dump Truck<br \/>\n8TF-D400D Articulated Dump Truck<br \/>\n2JJ-D40D Articulated Dump Truck<br \/>\n9LR-D350E Articulated Dump Truck<br \/>\n3FD-D35HP Articulated Dump Truck<br \/>\nB1N-735 Articulated Dump Truck<br \/>\nB1P-740 Articulated Dump Truck<br \/>\nB1R-740 Articulated Dump Truck<br \/>\nWWC-735 OEM Articulated Dump Truck<br \/>\nAWR-735 Articulated Dump Truck<br \/>\nWWD-740 Articulated Dump Truck<br \/>\n1MD-D400 Articulated Dump Truck<br \/>\nL4D-735B Articulated Dump Truck<br \/>\nAXM-740 Articulated Dump Truck<br \/>\nDTX-740 Articulated Dump Truck<br \/>\nAZZ-740 Articulated Dump Truck<br \/>\n2XW-D350E II Articulated Dump Truck<br \/>\n8PS-D400E II Articulated Dump Truck<br \/>\nAKN-MT735 Challenger<br \/>\nALA-MT745 Challenger<br \/>\nALM-MT755 Challenger<br \/>\nAMS-MT765 Challenger<br \/>\n812-MTC735 Challenger<br \/>\n813-MTC745 Challenger<br \/>\n814-MTC755 Challenger<br \/>\n815-MTC765 Challenger<br \/>\n5ZS-PM-465 Cold Planer<br \/>\n3TK-PM-565 Cold Planer<br \/>\n5XC-PR-1000C Cold Planer<br \/>\n5XC-PR-1000 Cold Planer<br \/>\nP1C-PM-200 Cold Planer<br \/>\nP1M-PM-200 Cold Planer<br \/>\nPNM-PM-201 Cold Planer<br \/>\n7PJ-PR-450C Cold Planer<br \/>\n8GS-PM-565B Cold Planer<br \/>\n7DC-PR-450 Cold Planer<\/p>","protected":false},"featured_media":12726,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[21022],"model_no":[38122,21046,6688,6689,38849,3373,3374,1231,3376,39313,1817,2518,22283,1827,9722,21045,7178,9723,9724,21044,7175,9727,9728,15341,2529,2530,2531,66,2656,2657,38116,7163,7161,7168,7169,21042,7164,7162,21043,3371,41416,42454,42455,42456,42457,38836,38837,38838,38839,41444,19876,19874,19877,19875,36331,36332,36333,36334,36335,38840,6721,38842,38841,6722,3372],"product_cat":[144],"product_tag":[64415,64426,64420,64423,64418,64416,64425,64421,64414,64413,64424,64419,64422,64427,64417],"class_list":{"0":"post-12916","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-caterpillar","7":"machine-type-articulated-dump-truck","8":"model_no-38122","9":"model_no-21046","10":"model_no-3406b","11":"model_no-3406c","12":"model_no-38849","13":"model_no-3408b","14":"model_no-3408c","15":"model_no-1231","16":"model_no-3412c","17":"model_no-39313","18":"model_no-1817","19":"model_no-735-oem","20":"model_no-735b","21":"model_no-1827","22":"model_no-9722","23":"model_no-825c","24":"model_no-825g","25":"model_no-825g-ii","26":"model_no-825h","27":"model_no-826c","28":"model_no-826g","29":"model_no-826g-ii","30":"model_no-826h","31":"model_no-15341","32":"model_no-836g","33":"model_no-836h","34":"model_no-836k","35":"model_no-c18","36":"model_no-c27","37":"model_no-c32","38":"model_no-cg137-08","39":"model_no-d350e","40":"model_no-d350e-ii","41":"model_no-d35hp","42":"model_no-d400","43":"model_no-d400d","44":"model_no-d400e","45":"model_no-d400e-ii","46":"model_no-d40d","47":"model_no-g3412","48":"model_no-g3412c","49":"model_no-mt735","50":"model_no-mt745","51":"model_no-mt755","52":"model_no-mt765","53":"model_no-mtc735","54":"model_no-mtc745","55":"model_no-mtc755","56":"model_no-mtc765","57":"model_no-pm-200","58":"model_no-pm-201","59":"model_no-pm-465","60":"model_no-pm-565","61":"model_no-pm-565b","62":"model_no-pm620","63":"model_no-pm622","64":"model_no-pm820","65":"model_no-pm822","66":"model_no-pm825","67":"model_no-pr-1000","68":"model_no-pr-1000c","69":"model_no-pr-450","70":"model_no-pr-450c","71":"model_no-pr-750b","72":"model_no-sr4","73":"product_cat-mining","74":"product_tag-109-0078-o-ring-for-articulated-dump-truck","75":"product_tag-109-0078-o-ring-seal-for-dtx-740","76":"product_tag-109-0078-replacement-for-b1n-735","77":"product_tag-109-0078-seal-for-cold-planer-5zs-pm-465","78":"product_tag-1090078-o-ring-for-2jj-d40d","79":"product_tag-cat-109-0078-for-2yr-d400e","80":"product_tag-cat-109-0078-for-construction-machinery","81":"product_tag-cat-109-0078-for-wwc-735-dump-truck","82":"product_tag-cat-1090078-seal-o-ring","83":"product_tag-caterpillar-109-0078","84":"product_tag-caterpillar-109-0078-parts-for-mining-equipment","85":"product_tag-caterpillar-seal-109-0078-for-9lr-d350e","86":"product_tag-o-ring-109-0078-for-challenger-mt735","87":"product_tag-seal-109-0078-for-5xc-pr-1000c-cold-planer","88":"product_tag-seal-109-0078-for-8tf-d400d","90":"first","91":"instock","92":"shipping-taxable","93":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/12916","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=12916"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media\/12726"}],"wp:attachment":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media?parent=12916"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_brand?post=12916"},{"taxonomy":"machine-type","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/machine-type?post=12916"},{"taxonomy":"model_no","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/model_no?post=12916"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_cat?post=12916"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_tag?post=12916"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}