{"id":50175,"date":"2026-01-26T06:08:03","date_gmt":"2026-01-26T11:08:03","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/caterpillar-0r-9778-head-as-cyl-utn-0r9778-2\/"},"modified":"2026-01-26T06:08:07","modified_gmt":"2026-01-26T11:08:07","slug":"caterpillar-0r-9778-head-as-cyl-utn-0r9778-2","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/caterpillar-0r-9778-head-as-cyl-utn-0r9778-2\/","title":{"rendered":"CATERPILLAR 0R-9778 Head AS-Cyl -Utn 0R9778"},"content":{"rendered":"

Caterpillar 0R-9778 Head AS-Cyl – Utn: OEM-Grade Cylinder Head for Heavy-Duty Engines<\/strong><\/p>\n

The Caterpillar 0R-9778 Head AS-Cyl – Utn is a precision-engineered cylinder head designed for a wide range of Caterpillar heavy equipment engines, including the 3LS-3508B, 5XM-3508, 3MS-3512, 6PM-3512, and multiple 3516 series engines used in generator sets, industrial applications, marine products, excavators, off-highway trucks, track-type tractors, and wheel-type loaders. Manufactured with high-grade metallurgy and exacting tolerances, this cylinder head ensures optimal combustion chamber sealing, efficient heat dissipation, and exceptional durability under extreme load conditions. Its robust construction supports high-performance drivetrain operations, maintaining engine integrity and prolonging service intervals.<\/p>\n

Technically, the 0R-9778 cylinder head features precision-machined surfaces, reinforced valve seats, and optimized coolant passages to enhance thermal management and reduce wear. This component is critical for maintaining compression ratios and preventing blow-by, thereby improving fuel efficiency and reducing emissions. Compatible with multiple Caterpillar engine models such as the 3NS-3516B, 4XF-3516, 5SJ-3516, 7KM-3516, and various marine and off-highway truck engines, it meets or exceeds OEM specifications for fit, form, and function. The cylinder head\u2019s design supports high RPM stability and withstands the rigorous demands of mining, construction, and industrial environments.<\/p>\n

For reliable replacement parts that guarantee performance and longevity, explore the full specifications and availability of the Caterpillar 0R-9778 Head AS-Cyl – Utn at \ud83d\udd17 AllParts Expert Caterpillar 0R-9778 Cylinder Head<\/a>. This ensures your heavy equipment operates at peak efficiency with genuine, OEM-quality components tailored for Caterpillar engines across multiple sectors.<\/p>","protected":false},"excerpt":{"rendered":"

3LS-3508B Engine – Generator Set
\n5XM-3508 Engine – Generator Set
\n3MS-3512 Engine – Generator Set
\n6PM-3512 Engine – Generator Set
\n3NS-3516B Engine – Generator Set
\n4XF-3516 Engine – Generator Set
\n5SJ-3516 Engine – Generator Set
\n7KM-3516 Engine – Generator Set
\n1LM-3512 Engine – Industrial
\n2WK-3512 Engine – Industrial
\n9KF-3516 Engine – Industrial
\n5ZL-5130 Excavator
\n7LL-5230 Excavator
\n96Y-3508 Marine Products
\n3WS-3512 Marine Products
\n3XS-3516B Marine Products
\n3PS-3508 Marine Products
\n3RS-3512 Marine Products
\n50Y-3512 Marine Products
\n29Z-3516 Marine Products
\n3SS-3516 Marine Products
\n72Z-3516 Marine Products
\n8GB-785 Off-highway Truck
\n7EK-789B Off-highway Truck
\n1HL-793B Off-highway Truck
\n2TK-776C Off-highway Truck
\n4XJ-777C Off-highway Truck
\n6HK-785B Off-highway Truck
\n4HK-D11N Track-type Tractor
\n8ZR-D11R Track-type Tractor
\n9YF-994 Wheel-type Loader<\/p>","protected":false},"featured_media":47794,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[28676],"model_no":[2594,2593,3378,2597,2598,7208,4437,2541,2542,1677,7545,1378,105,1265,8524,1824],"product_cat":[144],"product_tag":[336656,336630,336637,336640,336644,336634,336639,336636,336647,336627,336632,336657,336649,336628,336642,336635,336638,321557,336653,336651],"class_list":{"0":"post-50175","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-2594","9":"model_no-3508b","10":"model_no-3378","11":"model_no-2597","12":"model_no-3516b","13":"model_no-7208","14":"model_no-4437","15":"model_no-776c","16":"model_no-777c","17":"model_no-1677","18":"model_no-785b","19":"model_no-789b","20":"model_no-793b","21":"model_no-1265","22":"model_no-d11n","23":"model_no-d11r","24":"product_cat-mining","25":"product_tag-0r-9778-engine-head-for-cat-equipment","26":"product_tag-0r-9778-engine-head-part","27":"product_tag-0r-9778-head-as-cyl-utn","28":"product_tag-0r-9778-industrial-engine-head","29":"product_tag-0r-9778-marine-engine-head","30":"product_tag-0r9778-cylinder-head-unit","31":"product_tag-cat-0r-9778-engine-component","32":"product_tag-cat-0r-9778-engine-spare","33":"product_tag-cat-0r-9778-excavator-spare-part","34":"product_tag-cat-0r-9778-head-assembly","35":"product_tag-cat-0r-9778-replacement-head","36":"product_tag-cat-0r-9778-spare-parts-for-heavy-equipment","37":"product_tag-cat-0r-9778-track-type-tractor-head","38":"product_tag-caterpillar-0r-9778-cylinder-head","39":"product_tag-caterpillar-0r-9778-generator-set-part","40":"product_tag-caterpillar-0r-9778-heavy-machinery-part","41":"product_tag-caterpillar-0r-9778-mining-equipment-part","42":"product_tag-caterpillar-0r-9778-off-highway-truck-part","43":"product_tag-caterpillar-0r-9778-wheel-loader-part","44":"product_tag-heavy-machinery-head-0r-9778","46":"first","47":"instock","48":"shipping-taxable","49":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/50175","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=50175"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media\/47794"}],"wp:attachment":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media?parent=50175"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_brand?post=50175"},{"taxonomy":"machine-type","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/machine-type?post=50175"},{"taxonomy":"model_no","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/model_no?post=50175"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_cat?post=50175"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_tag?post=50175"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}