The Eaton Fuller mainshaft gear, part number 4306159, is a genuine OEM manual transmission component designed for heavy-duty truck applications. The mainshaft gear is a critical internal drivetrain part, transferring torque through the transmission's main shaft assembly. Cross-referenced as HF4306159, this part fits within the Eaton Fuller manual transmission gear family. Pro Gear and Transmission carries genuine Eaton Fuller drivetrain components. Call us to confirm proper fit for your specific transmission model before ordering.
Features
Genuine Eaton Fuller OEM mainshaft gear
Part number 4306159, also referenced as HF4306159
Manual transmission internal gear component
Designed for heavy-duty truck transmission applications
Sold by Pro Gear and Transmission
Used in these Eaton Fuller model
