{"product_id":"cat-259d-front-idler-assembly-ctl-idler-wheel","title":"CAT 259D Front Idler Assembly – CTL Idler Wheel 304-1878","description":"\u003ch3\u003eDual Flange Front Idler for Caterpillar® 259D\u003c\/h3\u003e\n\n\u003cp\u003e\nThis replacement dual flange front idler wheel is designed for compatible Caterpillar® 259D compact track loader undercarriage systems. Installed at the front section of the track frame, the idler helps maintain rubber track alignment and supports smoother machine operation across demanding working environments.\n\u003c\/p\u003e\n\n\u003cp\u003e\nOEM reference \u003cstrong\u003e304-1878\u003c\/strong\u003e is commonly associated with this style of Caterpillar® front idler assembly. Compatibility should always be verified using machine serial information, flange configuration and existing OEM references before ordering replacement undercarriage components.\n\u003c\/p\u003e\n\n\u003ch3\u003eReplacement Front Idler Wheel Assembly\u003c\/h3\u003e\n\n\u003cp\u003e\nThis version is the \u003cstrong\u003edual flange\u003c\/strong\u003e front idler configuration used on selected Caterpillar® compact track loader undercarriage systems. Some machine configurations may instead require a triple flange idler arrangement, therefore the existing flange setup should always be confirmed prior to 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® 259D compact track loaders\u003c\/li\u003e\n  \u003cli\u003eSupports track guidance and alignment\u003c\/li\u003e\n  \u003cli\u003eDirect replacement undercarriage component\u003c\/li\u003e\n  \u003cli\u003eManufactured for demanding machine operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompact Track Loader Undercarriage Component\u003c\/h3\u003e\n\n\u003cp\u003e\nFront idlers are an important part of compact track loader undercarriage systems and help maintain stable rubber track positioning during operation across abrasive, uneven and high-load working conditions.\n\u003c\/p\u003e\n\n\u003cp\u003e\nCompatibility should always be checked against machine model details, serial range, flange style and OEM references before ordering replacement parts.\n\u003c\/p\u003e\n\n\u003ch3\u003eAdditional Product Information\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 part\u003c\/li\u003e\n  \u003cli\u003eManufactured for Caterpillar® 259D 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":53879280009543,"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-259d-front-idler-assembly-ctl-idler-wheel","provider":"IPXGLOBAL","version":"1.0","type":"link"}