{"id":37597,"date":"2025-10-23T16:27:03","date_gmt":"2025-10-23T20:27:03","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/caterpillar-131-0421-fastener-gp-cylinder-head-1310421\/"},"modified":"2025-10-23T16:27:05","modified_gmt":"2025-10-23T20:27:05","slug":"caterpillar-131-0421-fastener-gp-cylinder-head-1310421","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/caterpillar-131-0421-fastener-gp-cylinder-head-1310421\/","title":{"rendered":"CATERPILLAR 131-0421 Fastener GP-Cylinder Head 1310421"},"content":{"rendered":"

Caterpillar 131-0421 Fastener GP-Cylinder Head \u2013 OEM-Grade Durability and Precision Fit<\/strong><\/p>\n

The Caterpillar 131-0421 Fastener GP-Cylinder Head is a critical component engineered for optimal performance and reliability across a wide range of heavy-duty Caterpillar engine-generator sets and drilling equipment. Designed to meet stringent OEM specifications, this fastener ensures a secure and precise fit for cylinder heads in models including the RB6-MD6380 Drill, 73Z-3516, CSZ-G3516, 70Z-3508, and numerous others within the 3508, 3512, and 3516 engine series. Manufactured from high-grade alloy steel with superior metallurgy, the fastener withstands extreme load conditions, thermal cycling, and vibration inherent in heavy machinery operations.<\/p>\n

Technically, the 131-0421 fastener features exacting dimensions tailored to maintain optimal clamping force and prevent loosening under high-torque drivetrain stresses. Its corrosion-resistant finish enhances longevity, reducing maintenance intervals and downtime. This fastener plays a vital role in maintaining engine integrity, ensuring efficient combustion chamber sealing and consistent engine performance. Its compatibility with a broad spectrum of Caterpillar engine-generator sets underscores its versatility and essential role in heavy equipment maintenance and repair.<\/p>\n

For professional-grade replacement parts that guarantee durability and performance, explore the full specifications and availability of the Caterpillar 131-0421 Fastener GP-Cylinder Head at \ud83d\udd17 AllParts Expert – Caterpillar 131-0421 Fastener GP-Cylinder Head<\/a>. Ensure your heavy equipment operates at peak efficiency with genuine Caterpillar components designed for demanding industrial applications.<\/p>","protected":false},"excerpt":{"rendered":"

RB6-MD6380 Drill
\n73Z-3516 Engine – Generator Set
\nCSZ-G3516 Engine – Generator Set
\n70Z-3508 Engine – Generator Set
\n67Z-3512 Engine – Generator Set
\n24Z-3512 Engine – Generator Set
\nCRN-G3512 Engine – Generator Set
\nBPD-PM3516 Engine – Generator Set
\n6PN-3508B Engine – Generator Set
\n23Z-3508 Engine – Generator Set
\n8RM-3512B Engine – Generator Set
\nZBA-G3516 Engine – Generator Set
\n7RN-3516B Engine – Generator Set
\n25Z-3516 Engine – Generator Set
\nBGX-3508 Engine – Generator Set
\nCMC-3512B Engine – Generator Set
\nFDE-3512B Engine – Generator Set
\nPTF-3512B Engine – Generator Set
\nFDX-3516B Engine – Generator Set
\nPRC-3516C Engine – Generator Set
\nSBJ-3516C Engine – Generator Set
\nYAL-3516 Engine – Generator Set
\nLAS– Engine – Generator Set
\n2HW-3508B Engine – Generator Set
\n4GM-3508B Engine – Generator Set
\n4AW-3512B Engine – Generator Set
\n5AW-3512B Engine – Generator Set
\n6WN-3512B Engine – Generator Set
\n1NW-3516B Engine – Generator Set
\n2JW-3516B Engine – Generator Set
\n6HN-3516B Engine – Generator Se<\/p>","protected":false},"featured_media":37005,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[32373],"model_no":[76368,2594,2593,6570,3378,2595,2596,2597,2598,1439,8259,21698,21701,97,21703,13622,21706,21707,21708,19737,21709],"product_cat":[144],"product_tag":[224702,224706,68652,224719,224737,224759,224762,66509,224765,84968,224726,224766,224715,53849,224735,224730,224739,224723,224697,224703,43142,224695,224743,94880,224713,224700,224745,224751,82181,224748,224753,224756,224733],"class_list":{"0":"post-37597","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-caterpillar","7":"machine-type-drill","8":"model_no-76368","9":"model_no-2594","10":"model_no-3508b","11":"model_no-3508c","12":"model_no-3378","13":"model_no-3512b","14":"model_no-3512c","15":"model_no-2597","16":"model_no-3516b","17":"model_no-3516c","18":"model_no-g3508","19":"model_no-g3512","20":"model_no-g3516","21":"model_no-g3516b","22":"model_no-g3520b","23":"model_no-md6380","24":"model_no-pm3508","25":"model_no-pm3512","26":"model_no-pm3516","27":"model_no-pmg3516","28":"model_no-pp3516","29":"product_cat-mining","30":"product_tag-131-0421-bolt","31":"product_tag-131-0421-head-bolt","32":"product_tag-23z-3508-engine-spare-parts","33":"product_tag-24z-3512-fastener","34":"product_tag-25z-3516-cat-parts","35":"product_tag-2hw-3508b-fastener","36":"product_tag-4aw-3512b-fastener","37":"product_tag-4gm-3508b-engine-parts","38":"product_tag-5aw-3512b-cat-spare-parts","39":"product_tag-67z-3512-engine-components","40":"product_tag-6pn-3508b-cylinder-head-bolt","41":"product_tag-6wn-3512b-head","42":"product_tag-70z-3508-fasteners","43":"product_tag-73z-3516-engine-parts","44":"product_tag-7rn-3516b-fastener","45":"product_tag-8rm-3512b-fastener","46":"product_tag-bgx-3508-generator-fasteners","47":"product_tag-bpd-pm3516-engine-fastener","48":"product_tag-cat-1310421-fastener","49":"product_tag-cat-engine-fastener-131-0421","50":"product_tag-cat-generator-set-parts","51":"product_tag-caterpillar-131-0421","52":"product_tag-cmc-3512b-engine-bolt","53":"product_tag-crn-g3512-generator-parts","54":"product_tag-csz-g3516-spare-parts","55":"product_tag-cylinder-head-fastener-131-0421","56":"product_tag-fde-3512b-cylinder-head-fastener","57":"product_tag-fdx-3516b-fastener","58":"product_tag-prc-3516c-engine-components","59":"product_tag-ptf-3512b-cat-engine-parts","60":"product_tag-sbj-3516c-fastener","61":"product_tag-yal-3516-cylinder-bolt","62":"product_tag-zba-g3516-head-bolt","64":"first","65":"instock","66":"shipping-taxable","67":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/37597","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=37597"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media\/37005"}],"wp:attachment":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media?parent=37597"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_brand?post=37597"},{"taxonomy":"machine-type","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/machine-type?post=37597"},{"taxonomy":"model_no","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/model_no?post=37597"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_cat?post=37597"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_tag?post=37597"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}