Eaton Fuller mainshaft gear 4301530 is the first speed (1st gear) main shaft gear for Eaton Fuller manual transmissions. This is the driven gear that rides on the transmission mainshaft to provide first-gear reduction. It carries Eaton OEM number 4301530 and cross references include 12549633, 176888, 35510071, 5309952, F5HZ7100B, S-D412, and ZBF4301530. Replacing a worn or chipped first speed gear restores clean engagement and proper power transfer through the gearbox. Not sure this is your part? Give us a call to confirm proper fit for your specific Eaton Fuller transmission model.
Features
First speed (1st gear) main shaft gear for Eaton Fuller manual transmissions
Eaton OEM part number 4301530
Cross references: 12549633, 176888, 35510071, 5309952, F5HZ7100B, S-D412, ZBF4301530
Genuine Eaton manual transmission gear
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