{"id":51852,"date":"2026-01-27T23:05:44","date_gmt":"2026-01-28T04:05:44","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/caterpillar-421-3325-flywheel-as-gd-4213325\/"},"modified":"2026-01-27T23:05:47","modified_gmt":"2026-01-28T04:05:47","slug":"caterpillar-421-3325-flywheel-as-gd-4213325","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/caterpillar-421-3325-flywheel-as-gd-4213325\/","title":{"rendered":"CATERPILLAR 421-3325 Flywheel AS-Gd 4213325"},"content":{"rendered":"

Caterpillar 421-3325 Flywheel AS-Gd \u2013 OEM-Grade Durability for Industrial and Generator Engines<\/strong><\/p>\n

The Caterpillar 421-3325 Flywheel AS-Gd is a precision-engineered component designed for optimal performance across a wide range of Caterpillar industrial and generator set engines, including models such as the CNR-G3306, JCA-G3306, 6R9-G3406, and several SR4 and G3304 series engines. Manufactured to meet stringent OEM specifications, this flywheel features high-grade metallurgy that ensures exceptional durability under heavy load conditions and continuous operation. Its robust construction supports efficient drivetrain torque transmission, minimizing vibration and wear, which is critical for maintaining engine reliability and longevity.<\/p>\n

This flywheel assembly is crafted with exacting dimensional tolerances to fit seamlessly within the engine’s crankshaft system, enhancing balance and rotational stability. The 421-3325 flywheel’s design optimizes power transfer efficiency, contributing to improved fuel economy and reduced mechanical stress during peak load cycles. Ideal for use in both industrial and generator set applications, it withstands harsh operating environments, making it a reliable choice for heavy-duty machinery maintenance and repair. Investing in this OEM-grade flywheel guarantees superior performance, reduced downtime, and extended service intervals for your Caterpillar equipment.<\/p>\n

\ud83d\udd17 For detailed specifications and to purchase the Caterpillar 421-3325 Flywheel AS-Gd, visit AllParts Expert Caterpillar 421-3325 Flywheel AS-Gd product page<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"

CNR-G3306 Engine – Generator Set <\/p>\n

JCA-G3306 Engine – Generator Set <\/p>\n

6R9-G3406 Engine – Generator Set <\/p>\n

5CA-SR4 Engine – Generator Set <\/p>\n

5DA-SR4 Engine – Generator Set <\/p>\n

5EA-SR4 Engine – Generator Set <\/p>\n

07Y-G3306 Engine – Industrial <\/p>\n

A4E-G3304B Engine – Industrial <\/p>\n

S4E-G3304B Engine – Industrial <\/p>\n

37Y-G3304 Engine – Industrial <\/p>\n

N4F-G3304 Engine – Industrial <\/p>\n

6A3-G3306B Engine – Industrial <\/p>\n

R6S-G3306B Engine – Industrial <\/p>\n

S6E-G3306B Engine – Industrial <\/p>\n

G6X-G3306 Engine – Industrial<\/p>","protected":false},"featured_media":50444,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[28676],"model_no":[37582,42294,37507,42043,21047,3372],"product_cat":[144],"product_tag":[351186,351189,351198,351204,351195,351192,351201,351190,351202,351187,351193,351199,351205,351196,351200,351191,351194,351197,351188,351203],"class_list":{"0":"post-51852","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-g3304","9":"model_no-g3304b","10":"model_no-g3306","11":"model_no-g3306b","12":"model_no-g3406","13":"model_no-sr4","14":"product_cat-mining","15":"product_tag-421-3325-flywheel","16":"product_tag-421-3325-flywheel-assembly","17":"product_tag-421-3325-flywheel-for-07y-g3306-engine","18":"product_tag-421-3325-flywheel-for-5ca-sr4-engine","19":"product_tag-421-3325-flywheel-for-6r9-g3406-engine","20":"product_tag-421-3325-flywheel-for-g3306-engine","21":"product_tag-421-3325-flywheel-for-s4e-g3304b-engine","22":"product_tag-cat-421-3325-engine-flywheel","23":"product_tag-cat-421-3325-engine-spare-part","24":"product_tag-cat-421-3325-flywheel","25":"product_tag-cat-421-3325-generator-set-flywheel","26":"product_tag-cat-421-3325-heavy-equipment-parts","27":"product_tag-cat-421-3325-industrial-machinery-flywheel","28":"product_tag-cat-421-3325-replacement-part","29":"product_tag-caterpillar-421-3325-g3304b-engine-flywheel","30":"product_tag-caterpillar-421-3325-heavy-machinery-flywheel","31":"product_tag-caterpillar-421-3325-industrial-engine-flywheel","32":"product_tag-caterpillar-421-3325-mining-equipment-flywheel","33":"product_tag-caterpillar-421-3325-parts","34":"product_tag-caterpillar-421-3325-sr4-series-flywheel","36":"first","37":"instock","38":"shipping-taxable","39":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/51852","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=51852"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media\/50444"}],"wp:attachment":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media?parent=51852"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_brand?post=51852"},{"taxonomy":"machine-type","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/machine-type?post=51852"},{"taxonomy":"model_no","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/model_no?post=51852"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_cat?post=51852"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_tag?post=51852"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}