{"product_id":"cat-259b3-front-idler-assembly-ctl-idler-wheel","title":"CAT 259B3 Front Idler Assembly – CTL Idler Wheel 304-1878","description":"\u003ch3\u003eDual Flange Front Idler Wheel for Caterpillar® 259B3\u003c\/h3\u003e\n\n\u003cp\u003e\nThis replacement dual flange front idler wheel is manufactured for compatible Caterpillar® 259B3 compact track loader undercarriage systems. Fitted at the front section of the track frame assembly, the idler helps guide the rubber track and support smoother machine operation across demanding site conditions.\n\u003c\/p\u003e\n\n\u003cp\u003e\nCommon OEM references associated with this style of Caterpillar® front idler include \u003cstrong\u003e304-1878\u003c\/strong\u003e. Compatibility should always be confirmed against machine serial information, flange configuration and existing OEM references before ordering replacement undercarriage parts.\n\u003c\/p\u003e\n\n\u003ch3\u003eReplacement Dual Flange Front Idler Assembly\u003c\/h3\u003e\n\n\u003cp\u003e\nThis unit is the \u003cstrong\u003edual flange\u003c\/strong\u003e front idler configuration used on selected Caterpillar® compact track loader undercarriage systems. Certain machine setups may instead use a triple flange idler arrangement, therefore the existing flange style should always be verified before purchase.\n\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eReplacement dual flange front idler wheel\u003c\/li\u003e\n  \u003cli\u003eSuitable for Caterpillar® 259B3 compact track loaders\u003c\/li\u003e\n  \u003cli\u003eSupports track alignment and guidance\u003c\/li\u003e\n  \u003cli\u003eDirect replacement undercarriage component\u003c\/li\u003e\n  \u003cli\u003eManufactured for demanding machine applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUndercarriage Component Information\u003c\/h3\u003e\n\n\u003cp\u003e\nFront idlers form an important part of compact track loader undercarriage systems by helping maintain track positioning and stable travel during operation across abrasive and uneven working environments.\n\u003c\/p\u003e\n\n\u003cp\u003e\nCompatibility should always be checked using machine model information, serial range, flange design and OEM part references prior to ordering.\n\u003c\/p\u003e\n\n\u003ch3\u003eAdditional Product Details\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003eOEM reference: 304-1878\u003c\/li\u003e\n  \u003cli\u003eDual flange front idler configuration\u003c\/li\u003e\n  \u003cli\u003eReplacement compact track loader undercarriage component\u003c\/li\u003e\n  \u003cli\u003eManufactured for Caterpillar® 259B3 applications\u003c\/li\u003e\n  \u003cli\u003eCommercial USA shipping available on qualifying orders\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"IPXGLOBAL","offers":[{"title":"Default Title","offer_id":53879277289799,"sku":"ID-Y004S150-F","price":560.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0931\/1404\/0647\/files\/ChatGPT_Image_May_12_2026_04_04_26_PM.png?v=1778598292","url":"https:\/\/www.ipxglobal.com\/products\/cat-259b3-front-idler-assembly-ctl-idler-wheel","provider":"IPXGLOBAL","version":"1.0","type":"link"}