The Eaton Fuller countershaft gear, part number 4308559, is a genuine OEM manual transmission component. Countershaft gears are a core element of Eaton Fuller manual transmissions, meshing with the mainshaft gear set to transmit torque through the gearbox. This part is also referenced as HF4308559. Sold individually, it is the correct replacement unit for applications calling out part number 4308559. Pro Gear and Transmission carries genuine Eaton Fuller drivetrain components for heavy-duty truck applications. Call us to confirm proper fit for your transmission before ordering.
Features
Genuine Eaton Fuller OEM countershaft gear
Part number 4308559, also referenced as HF4308559
Manual transmission component category: countershaft gear
Sold as an individual unit (each)
Call Pro Gear and Transmission to confirm correct application fit
