Eaton Fuller countershaft gear, part number 4308970, is a genuine OEM manual transmission gear for heavy-duty truck applications. The countershaft gear is a core rotating component in Fuller manual transmissions, working in constant mesh to transfer torque from the input to the mainshaft gear cluster. Sourced directly as an Eaton OEM part, number 4308970 is also referenced as HF4308970. If you need to verify this is the correct countershaft gear for your transmission, call Pro Gear and Transmission and we can help confirm proper fitment.
Features
Genuine Eaton Fuller OEM countershaft gear
Part number 4308970, also referenced as HF4308970
Designed for heavy-duty manual transmission applications
Sold individually as a single unit
Available from Pro Gear and Transmission
