**Caterpillar 127-9838 Relay AS \u2013 OEM-Grade Electrical Relay for Heavy Equipment**<\/p>\n
The Caterpillar 127-9838 Relay AS is a high-performance, OEM-quality electrical relay designed specifically for a wide range of Caterpillar heavy machinery, including the PTE-3512B Engine Generator Set and numerous excavator models such as the 4DS-325B L, 5LR-330B LN, and 3YR-330B L Excavators. Engineered to meet stringent Caterpillar specifications, this relay ensures reliable electrical switching under demanding load conditions. Constructed with robust materials and precision metallurgy, the 127-9838 Relay AS offers exceptional durability and resistance to vibration and thermal stress, making it ideal for harsh mining and construction environments.<\/p>\n
This relay features advanced contact technology and optimized coil design to deliver consistent performance and longevity in drivetrain and electrical control systems. Its compact dimensions and compatibility with multiple Caterpillar excavator series (including 4RS-330B L, 5LS-330B L, 2SW-345B L, and many others) make it a versatile replacement part that maintains system integrity and operational efficiency. By utilizing this relay, operators benefit from minimized downtime, improved electrical reliability, and adherence to OEM standards, ensuring peak performance of critical heavy equipment components.<\/p>\n
\ud83d\udd17 For detailed specifications and to purchase the Caterpillar 127-9838 Relay AS, visit the official product page at [Caterpillar 127-9838 Relay AS on AllParts Expert](https:\/\/allparts.expert\/parts\/mining\/caterpillar-127-9838-relay-as-1279838\/). This relay is essential for maintaining optimal functionality in Caterpillar excavators and engine generator sets, making it a vital component for heavy equipment maintenance and repair.<\/p>","protected":false},"excerpt":{"rendered":"
PTE-3512B Engine – Generator Set
\n4DS-325B L Excavator
\n5LR-330B LN Excavator
\n3YR-330B L Excavator
\n4RS-330B L Excavator
\n5LS-330B L Excavator
\n2SW-345B L Excavator
\n1YS-322B L Excavator
\n2JR-325B L Excavator
\n6DR-330B L Excavator
\nBKF-385B Excavator
\nBLY-385B Excavator
\n6LW-320B L Excavator
\n7JR-320B L Excavator
\n9WS-320B L Excavator
\n5MS-320B S Excavator
\n1XS-320B Excavator
\n8FN-325B LN Excavator
\n5BS-325B L Excavator
\n6DN-325B L Excavator
\n7KS-345B L Excavator
\nCFJ-365B Excavator
\n2AS-320B N Excavator
\n3YZ-320B Excavator
\nBGB-320C FM Excavator
\n2ES-322B L Excavator
\nCCC-345B II Excavator
\nFEE-345B II Excavator
\nAGD-365B L Excavator
\n6CR-320B L Excavator
\n5BR-320B Excavator
\nDET-345B II Excavator
\nAAA-5110B Excavator
\n2LS-311B Excavator
\n8GR-311B Excavator
\n2KW-312B L Excavator
\n3FS-312B L Excavator
\n8JR-312B L Excavator
\n9FS-312B L Excavator
\n2NS-312B Excavator
\n6SW-312B Excavator
\n9GR-312B Excavator
\n9NW-312B Excavator
\nCBA-312C L Excavator
\nFDS-312C Excavator
\nMJD-312E L Excavator
\nWEY-312E L Excavator<\/p>","protected":false},"featured_media":39656,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[28676],"model_no":[7041,66889,57554,40219,7043,7044,50342,50341,43037,40229,40230,1038,40221,51514,7047,43039,7052,7209,43556,7057,7058,42829,42830,7059,39369,695,43033,41339,43032,43034,7062,7063,42831,43035,41344,41345,41334,27650,27649,32217,7212,7072,42832,2056,7207,37517,3230,3212,2464,2465,27664,2463,2467,30516,2595,21320,46308,25983,5271],"product_cat":[144],"product_tag":[246654,246672,246663,246664,246659,246658,246668,246676,246673,246670,246665,246656,246653,246657,246661,246671,246675,246666,246655,246652,246660,246662,246674,246669,246667],"class_list":{"0":"post-39781","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-311b","9":"model_no-311c","10":"model_no-311d-lrr","11":"model_no-311f-lrr","12":"model_no-312b","13":"model_no-312b-l","14":"model_no-312c","15":"model_no-312c-l","16":"model_no-312d-l","17":"model_no-312d2-gc","18":"model_no-312d2-l","19":"model_no-312e","20":"model_no-312e-l","21":"model_no-315b","22":"model_no-315b-l","23":"model_no-316e-l","24":"model_no-317b-ln","25":"model_no-318b","26":"model_no-318b-n","27":"model_no-320b","28":"model_no-320b-l","29":"model_no-320b-n","30":"model_no-320b-s","31":"model_no-320c","32":"model_no-320c-fm","33":"model_no-320e","34":"model_no-320e-l","35":"model_no-320e-ln","36":"model_no-320e-lrr","37":"model_no-320e-rr","38":"model_no-322b","39":"model_no-322b-l","40":"model_no-322b-ln","41":"model_no-323e-l","42":"model_no-323e-ln","43":"model_no-323e-sa","44":"model_no-323f-sa","45":"model_no-324d","46":"model_no-324d-l","47":"model_no-324e-l","48":"model_no-325b","49":"model_no-325b-l","50":"model_no-325b-ln","51":"model_no-330b","52":"model_no-330b-l","53":"model_no-330b-ln","54":"model_no-336d","55":"model_no-336d2-l","56":"model_no-345b","57":"model_no-345b-ii","58":"model_no-345b-ii-mh","59":"model_no-345b-l","60":"model_no-345c","61":"model_no-349d2-l","62":"model_no-3512b","63":"model_no-365b","64":"model_no-365b-l","65":"model_no-385b","66":"model_no-5110b","67":"product_cat-mining","68":"product_tag-127-9838-electrical-relay","69":"product_tag-127-9838-relay-for-1xs-320b-excavator","70":"product_tag-127-9838-relay-for-1ys-322b-l","71":"product_tag-127-9838-relay-for-2jr-325b-l","72":"product_tag-127-9838-relay-for-3yr-330b-l","73":"product_tag-127-9838-relay-for-5lr-330b-ln","74":"product_tag-127-9838-relay-for-6lw-320b-l","75":"product_tag-127-9838-relay-for-7ks-345b-l","76":"product_tag-127-9838-relay-for-8fn-325b-ln","77":"product_tag-127-9838-relay-for-9ws-320b-l","78":"product_tag-1279838-relay-for-6dr-330b-l","79":"product_tag-1279838-relay-for-excavators","80":"product_tag-cat-1279838-relay-as","81":"product_tag-cat-4ds-325b-l-relay","82":"product_tag-cat-5ls-330b-l-relay-part","83":"product_tag-cat-5ms-320b-s-relay","84":"product_tag-cat-6dn-325b-l-relay","85":"product_tag-cat-relay-for-bkf-385b-excavator","86":"product_tag-cat-relay-spare-part-127-9838","87":"product_tag-caterpillar-127-9838-relay","88":"product_tag-caterpillar-relay-for-4rs-330b-l","89":"product_tag-relay-for-2sw-345b-l-excavator","90":"product_tag-relay-for-5bs-325b-l","91":"product_tag-relay-for-7jr-320b-l-cat","92":"product_tag-relay-for-bly-385b","94":"first","95":"instock","96":"shipping-taxable","97":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/39781","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=39781"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media\/39656"}],"wp:attachment":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media?parent=39781"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_brand?post=39781"},{"taxonomy":"machine-type","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/machine-type?post=39781"},{"taxonomy":"model_no","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/model_no?post=39781"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_cat?post=39781"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_tag?post=39781"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}