{"product_id":"1912521-gear-sun-fits-caterpillar-models","title":"1912521 Gear-Sun Fits Caterpillar Models","description":"\u003ch3\u003eOne New Aftermarket Replacement Final Drive Sun Gear for Caterpillar (Cat) Excavators\u003c\/h3\u003e\u003cp\u003eThis aftermarket replacement sun gear (OEM part number 191-2521 \/ 1912521) is a final drive component that transmits rotational power from the travel motor to the final drive assembly, enabling efficient power distribution to the undercarriage. The gear features 23 spur gear teeth and 13 external spline teeth and is case carburized, nitrided, and induction hardened for maximum durability in demanding construction applications.\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eGear Teeth: 23 spur gear teeth\u003c\/li\u003e\n\u003cli\u003eSpline Teeth: 13 external spline teeth\u003c\/li\u003e\n\u003cli\u003eType: Final Drive Sun Gear (Travel Gearbox)\u003c\/li\u003e\n\u003cli\u003eTreatment: Case carburized, nitrided, induction hardened\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatible Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eCaterpillar (Cat) Excavators:\u003c\/strong\u003e 325C, 325C LCR, 328D LCR, 330C, 330C FM, 330C L, 330C MH, 330D, 330D L, 330D LN, 330D MH, 336D, 336D L, 336D LN\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCaterpillar (Cat) Mobile Hydraulic Power Units:\u003c\/strong\u003e 330D, 336D L\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003e191-2521, 1912521\u003c\/p\u003e\u003ch4\u003eAftermarket Interchange Numbers\u003c\/h4\u003e\u003cp\u003e110-7231, 1107231\u003c\/p\u003e\u003cp\u003eNew aftermarket replacement part - not remanufactured, not used.\u003c\/p\u003e","brand":"Reliable Aftermarket Parts, Inc® -OD","offers":[{"title":"Default Title","offer_id":42451033194579,"sku":"1912521","price":296.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/1912521_01.jpg?v=1757755605","url":"https:\/\/www.reliableaftermarketparts.ca\/products\/1912521-gear-sun-fits-caterpillar-models","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}