The Eaton Fuller Mainshaft Gear, part number 20051 (also referenced as HF20051), is a genuine Eaton Fuller manual transmission component designed for heavy-duty applications. Mainshaft gears are critical to the power path running through the center of the transmission, transferring torque between gear ranges. This part is sold individually. Pro Gear and Transmission carries hard-to-find Eaton Fuller drivetrain components, call us to confirm this is the correct gear for your transmission build or repair.
Features
Genuine Eaton Fuller mainshaft gear for heavy-duty manual transmissions
Part number 20051, also cross-referenced as HF20051
Fits Eaton Fuller manual transmission applications
Sold as an individual unit
Direct OEM replacement for mainshaft gear position
