The Eaton Mainshaft Gear, part number 4304514BULK144 or 4304514-BULK144, is a genuine OEM manual transmission component for heavy-duty drivetrain applications. Mainshaft gears sit at the core of the transmission's output shaft assembly, transferring torque through the gear train under load. This part is sold individually and is classified under manual transmission gears (NMFC 121875). Pro Gear and Transmission stocks genuine Eaton transmission components. Call us to confirm proper fit for your specific transmission before ordering.
This unit is sold in packs of 144.
Features
Genuine Eaton manual transmission mainshaft gear
Part number 4304514BULK144 or 4304514-BULK144
Sold individually (unit of measure: each)
Classified under manual transmission gears, NMFC 121875
Direct OEM replacement for Eaton manual transmissions
