1912521 Gear-Sun Fits Caterpillar Models
1912521 Gear-Sun Fits Caterpillar Models
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One New Aftermarket Replacement Final Drive Sun Gear for Caterpillar (Cat) Excavators
This 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.
Specifications
- Gear Teeth: 23 spur gear teeth
- Spline Teeth: 13 external spline teeth
- Type: Final Drive Sun Gear (Travel Gearbox)
- Treatment: Case carburized, nitrided, induction hardened
Compatible Models
Caterpillar (Cat) Excavators: 325C, 325C LCR, 328D LCR, 330C, 330C FM, 330C L, 330C MH, 330D, 330D L, 330D LN, 330D MH, 336D, 336D L, 336D LN
Caterpillar (Cat) Mobile Hydraulic Power Units: 330D, 336D L
Replaces Part Number(s):
191-2521, 1912521
Aftermarket Interchange Numbers
110-7231, 1107231
New aftermarket replacement part - not remanufactured, not used.
