{"id":49643,"date":"2026-01-25T23:57:14","date_gmt":"2026-01-26T04:57:14","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/caterpillar-203-9478-base-as-oil-filter-2039478\/"},"modified":"2026-01-25T23:57:16","modified_gmt":"2026-01-26T04:57:16","slug":"caterpillar-203-9478-base-as-oil-filter-2039478","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/caterpillar-203-9478-base-as-oil-filter-2039478\/","title":{"rendered":"CATERPILLAR 203-9478 Base AS-Oil Filter 2039478"},"content":{"rendered":"

Caterpillar 203-9478 Base AS-Oil Filter \u2013 OEM-Grade Filtration for Heavy Equipment<\/strong><\/p>\n

The Caterpillar 203-9478 Base AS-Oil Filter is a critical component engineered to provide superior oil filtration for a wide range of heavy machinery, including articulated dump trucks (TFB-725C), cold planers (PM310, PM312, PM313 series), and various C9 engine generator sets. Designed to meet stringent OEM specifications, this oil filter features advanced filtration media capable of withstanding high load conditions and extreme operating environments. With precise dimensions tailored for seamless integration, the 203-9478 ensures optimal oil flow and contaminant removal, protecting your engine\u2019s drivetrain and extending equipment service life.<\/p>\n

Constructed with high-quality materials and advanced metallurgy, the 203-9478 oil filter delivers exceptional durability and resistance to wear and thermal degradation. Its robust design supports continuous operation under heavy-duty applications, maintaining engine performance and reducing downtime. The filter\u2019s efficient contaminant capture enhances lubrication system reliability, preventing premature engine wear and costly repairs. Ideal for use in Caterpillar\u2019s industrial engines and generator sets, this filter guarantees consistent performance and compliance with Caterpillar\u2019s rigorous quality standards.<\/p>\n

\ud83d\udd17 For detailed specifications and to purchase the genuine Caterpillar 203-9478 Base AS-Oil Filter, visit AllParts Expert Caterpillar 203-9478 Oil Filter<\/a>.<\/p>\n

Keywords:<\/strong> Caterpillar 203-9478 oil filter, OEM oil filter Caterpillar, heavy equipment oil filter, articulated dump truck oil filter, cold planer oil filter, C9 engine oil filter, heavy machinery filtration, Caterpillar spare parts.<\/p>","protected":false},"excerpt":{"rendered":"

TFB-725C Articulated Dump Truck
\nKWA-PM310 Cold Planer
\nNM9-PM310 Cold Planer
\nNMA-PM310 Cold Planer
\nRH8-PM310 Cold Planer
\nLJ9-PM312 Cold Planer
\nNA9-PM312 Cold Planer
\nNJ9-PM312 Cold Planer
\nNJX-PM312 Cold Planer
\nDK9-PM313 Cold Planer
\nJ63-PM313 Cold Planer
\nJH9-PM313 Cold Planer
\nJHZ-PM313 Cold Planer
\nRZB- Engine – Generator Set
\nLT9-C9 GEN SET Engine – Generator Set
\nNTX-C9 GEN SET Engine – Generator Set
\nRZ9-C9 GEN SET Engine – Generator Set
\nS1N-C9 GEN SET Engine – Generator Set
\nC9E-C9 Engine – Generator Set
\nLN9-C9 Engine – Generator Set
\nLX9-C9 Engine – Generator Set
\nNBP-C9 Engine – Generator Set
\nNGP-C9 Engine – Generator Set
\nX3R-C9 Engine – Generator Set
\nXP7-C9 Engine – Generator Set
\nRG3-D250GC Engine – Generator Set
\nRE3-D300GC Engine – Generator Set
\n3B2-DE350SGC Engine – Generator Set
\nRZ2-DE350SGC Engine – Generator Set
\nRZ3-DE400SGC Engine – Generator Set
\nXP9-XQP300 Engine – Generator Set
\nXPL-XQP300 Engine – Generator Set
\nXPD-XQP310 Engine – Generator Set
\nCLJ-C-9 Engine – Industrial<\/p>","protected":false},"featured_media":49525,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[21022],"model_no":[39063,39064,40396,3224,3231,3215,3223,3216,3228,32231,3226,3225,3227,3230,3209,3229,3241,37875,7167,37504,37511,34846,42465,79872,37509,37508,42466,42467,40279,40283,40280,40276,40277,40278,39034,7181,7180,40281,41752,40282],"product_cat":[144],"product_tag":[326875,326870,326899,326895,326897,326891,326893,326887,326903,326883,326889,326879,326894,326885,326890,326898,326872,326877,326873,326881,326896,326901,326892,326888],"class_list":{"0":"post-49643","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-39063","9":"model_no-39064","10":"model_no-2864c","11":"model_no-330c","12":"model_no-330c-fm","13":"model_no-330c-l","14":"model_no-330c-ln","15":"model_no-330c-mh","16":"model_no-330d","17":"model_no-330d-fm","18":"model_no-330d-l","19":"model_no-330d-ln","20":"model_no-330d-mh","21":"model_no-336d","22":"model_no-336d-l","23":"model_no-336d-ln","24":"model_no-340d-l","25":"model_no-586c","26":"model_no-725c","27":"model_no-c-9","28":"model_no-c8-8","29":"model_no-c9","30":"model_no-c9-gen-set","31":"model_no-c9-industrial","32":"model_no-c9-3","33":"model_no-c9-3b","34":"model_no-d250gc","35":"model_no-d300gc","36":"model_no-de350sgc","37":"model_no-de400gc","38":"model_no-de400sgc","39":"model_no-pm310","40":"model_no-pm312","41":"model_no-pm313","42":"model_no-tk721","43":"model_no-tr43","44":"model_no-tr43-e44","45":"model_no-xq330","46":"model_no-xqp300","47":"model_no-xqp310","48":"product_cat-mining","49":"product_tag-203-9478-filter-for-articulated-dump-truck","50":"product_tag-203-9478-oil-filter","51":"product_tag-203-9478-oil-filter-for-c9-engine","52":"product_tag-203-9478-oil-filter-for-j63-pm313","53":"product_tag-203-9478-oil-filter-for-jhz-pm313","54":"product_tag-203-9478-oil-filter-for-na9-pm312","55":"product_tag-203-9478-oil-filter-for-njx-pm312","56":"product_tag-203-9478-oil-filter-for-nm9-pm310","57":"product_tag-203-9478-oil-filter-for-ntx-c9-gen-set","58":"product_tag-203-9478-oil-filter-for-pm310","59":"product_tag-203-9478-oil-filter-for-rh8-pm310","60":"product_tag-203-9478-oil-filter-for-tfb-725c","61":"product_tag-cat-203-9478-for-dk9-pm313","62":"product_tag-cat-203-9478-for-kwa-pm310","63":"product_tag-cat-203-9478-for-lj9-pm312","64":"product_tag-cat-203-9478-generator-set-oil-filter","65":"product_tag-cat-203-9478-oil-filter","66":"product_tag-cat-203-9478-parts","67":"product_tag-caterpillar-203-9478-base-oil-filter","68":"product_tag-caterpillar-203-9478-cold-planer-filter","69":"product_tag-caterpillar-203-9478-for-jh9-pm313","70":"product_tag-caterpillar-203-9478-for-lt9-c9-gen-set","71":"product_tag-caterpillar-203-9478-for-nj9-pm312","72":"product_tag-caterpillar-203-9478-for-nma-pm310","74":"first","75":"instock","76":"shipping-taxable","77":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/49643","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=49643"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media\/49525"}],"wp:attachment":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media?parent=49643"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_brand?post=49643"},{"taxonomy":"machine-type","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/machine-type?post=49643"},{"taxonomy":"model_no","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/model_no?post=49643"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_cat?post=49643"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_tag?post=49643"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}