{"id":30069,"date":"2025-10-02T11:02:47","date_gmt":"2025-10-02T15:02:47","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/caterpillar-100-3881-spacer-1003881\/"},"modified":"2025-10-02T11:02:50","modified_gmt":"2025-10-02T15:02:50","slug":"caterpillar-100-3881-spacer-1003881","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/caterpillar-100-3881-spacer-1003881\/","title":{"rendered":"CATERPILLAR 100-3881 SPACER 1003881"},"content":{"rendered":"

Caterpillar 100-3881 Spacer \u2013 OEM-Grade Durability for Engine and Generator Sets<\/strong><\/p>\n

The Caterpillar 100-3881 Spacer is a precision-engineered component designed to meet the stringent demands of heavy-duty Caterpillar engines and generator sets, including models such as the 3508B, 3512B, and 3516B series. Manufactured with high-grade metallurgy, this spacer ensures optimal alignment and spacing within the drivetrain assembly, contributing to enhanced mechanical stability and load distribution under extreme operating conditions. Its robust construction guarantees resistance to wear, corrosion, and thermal deformation, making it an indispensable part for maintaining peak engine performance and longevity.<\/p>\n

Technically, the 100-3881 Spacer features exact dimensional tolerances tailored to fit seamlessly within various Caterpillar engine configurations, including RB6-MD6380 drills and multiple generator set models (e.g., 2HW-3508B, 4AW-3512B, 1NW-3516B). This part plays a critical role in maintaining proper shaft alignment and vibration dampening, which reduces mechanical stress and prevents premature component failure. By using this OEM-quality spacer, operators ensure consistent power transmission efficiency and reduce downtime caused by drivetrain misalignment or component wear.<\/p>\n

For reliable replacement parts that uphold Caterpillar\u2019s rigorous standards, explore the full specifications and order the 100-3881 Spacer directly from a trusted supplier. \ud83d\udd17 Caterpillar 100-3881 Spacer \u2013 OEM Replacement Part<\/a> provides genuine parts designed to optimize your equipment\u2019s performance and durability.<\/p>\n

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SEO Keywords:<\/strong> Caterpillar 100-3881 Spacer, Caterpillar engine parts, 3508B engine spacer, 3512B generator set parts, OEM Caterpillar spare parts, heavy equipment drivetrain components, Caterpillar 3516B engine spacer, high durability engine spacers<\/p>","protected":false},"excerpt":{"rendered":"

RB6-MD6380 Drill
\n2HW-3508B Engine – Generator Set
\n4GM-3508B Engine – Generator Set
\n6PN-3508B Engine – Generator Set
\n4AW-3512B Engine – Generator Set
\n5AW-3512B Engine – Generator Set
\n6WN-3512B Engine – Generator Set
\n8RM-3512B Engine – Generator Set
\n1NW-3516B Engine – Generator Set
\n2JW-3516B Engine – Generator Set
\n6HN-3516B Engine – Generator Set
\n7RN-3516B Engine – Generator Set
\n5KW-3508B Engine – Generator Set
\nCNB-3508B Engine – Generator Set
\nPTN-3508B Engine – Generator Set
\nBGX-3508 Engine – Generator Set
\n6GW-3512B Engine – Generator Set
\nBLF-3512B Engine – Generator Set
\nBRK-3512B Engine – Generator Set
\nCMC-3512B Engine – Generator Set
\nFDE-3512B Engine – Generator Set
\nPTF-3512B Engine – Generator Set
\nPTM-3512B Engine – Generator Set
\n8NW-3516B Engine – Generator Set
\nBMB-3516B Engine – Generator Set
\nBPJ-3516B Engine – Generator Set
\nCPA-3516B Engine – Generator Set
\nFDN-3516B Engine – Generator Set
\nFDX-3516B Engine – Generator Set
\nBLM-PM3508 Engine – Generator Set
\nBNR-PM3512 Engine –<\/p>","protected":false},"featured_media":29935,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[32373],"model_no":[2594,2593,2595,2596,2597,2598,21673,1439,21674,5628,13622,21706,21707,21708,21709],"product_cat":[144],"product_tag":[180847,180848,180851,180852,180855,180856,180854,180858,180846,180850,34841,180860,180857,180845,158521,180849,180853,180859],"class_list":{"0":"post-30069","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-caterpillar","7":"machine-type-drill","8":"model_no-2594","9":"model_no-3508b","10":"model_no-3512b","11":"model_no-3512c","12":"model_no-2597","13":"model_no-3516b","14":"model_no-3516b-gen","15":"model_no-3516c","16":"model_no-3516c-gen","17":"model_no-3516e","18":"model_no-md6380","19":"model_no-pm3508","20":"model_no-pm3512","21":"model_no-pm3516","22":"model_no-pp3516","23":"product_cat-mining","24":"product_tag-100-3881-engine-spacer","25":"product_tag-100-3881-for-3508b-engine","26":"product_tag-100-3881-spacer-for-mining-equipment","27":"product_tag-1003881-spacer-for-construction-machinery","28":"product_tag-3512b-engine-set-spacer","29":"product_tag-3516b-generator-spacer","30":"product_tag-6pn-3508b-engine-spare-part","31":"product_tag-bnr-pm3512-engine-part","32":"product_tag-cat-1003881-part","33":"product_tag-cat-3516b-engine-spacer","34":"product_tag-cat-engine-generator-parts","35":"product_tag-cat-heavy-machinery-spacer-part","36":"product_tag-cat-pm3508-spacer","37":"product_tag-caterpillar-100-3881-spacer","38":"product_tag-rb6-md6380-drill-part","39":"product_tag-spacer-for-3512b-generator-set","40":"product_tag-spacer-for-4gm-3508b-engine","41":"product_tag-wheel-dozer-spacer-100-3881","43":"first","44":"instock","45":"shipping-taxable","46":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/30069","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=30069"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media\/29935"}],"wp:attachment":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media?parent=30069"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_brand?post=30069"},{"taxonomy":"machine-type","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/machine-type?post=30069"},{"taxonomy":"model_no","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/model_no?post=30069"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_cat?post=30069"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_tag?post=30069"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}