The Eaton Fuller Countershift Gear, part number 21260, is a genuine Eaton Fuller transmission component for heavy-duty truck applications. The countershaft gear set is a precision-matched internal part of the Fuller gearbox, transferring power between the input and output shafts through the transmission's gear train. Sourced directly as an Eaton Fuller OEM part, number 21260 is the manufacturer's own designation for this component. Contact Pro Gear and Transmission to confirm this is the correct countershift gear for your specific Fuller transmission model before ordering.
Features
Genuine Eaton Fuller OEM countershift gear
Part number 21260 - manufacturer's own designation
Designed for use in heavy-duty Fuller truck transmissions
Countershaft gear transfers torque through the transmission gear train
Sold by Pro Gear and Transmission
