The Eaton Fuller Mainshaft Gear, part number 21224, is a genuine Eaton Fuller transmission component for heavy-duty truck applications. The mainshaft gear is a core internal component of Fuller-series transmissions, transferring torque through the gear stack along the mainshaft. Sourced directly as an OEM Eaton Fuller part, it is built to the original design tolerances that Fuller transmissions depend on. Call Pro Gear and Transmission to verify this is the correct gear for your specific transmission model and configuration before ordering.
Features
Genuine Eaton Fuller OEM mainshaft gear
Part number 21224
Designed for heavy-duty Fuller-series transmission applications
Built to original Eaton Fuller design tolerances
Sold by Pro Gear and Transmission
