The Eaton Fuller Mainshaft Key, part number 4304114 or HF4304114, is a genuine Eaton Fuller transmission component designed to secure the mainshaft in Eaton Fuller gearboxes. The mainshaft key seats into the keyway machined into the mainshaft, locking gears or hubs in their correct rotational position and preventing relative movement under load. This is a direct-replacement, single-unit part. Pro Gear and Transmission carries genuine Eaton Fuller drivetrain components for heavy-duty truck applications. Not sure this is the right key for your transmission? Give us a call and we can help confirm proper fit.
Features
Genuine Eaton Fuller mainshaft key
Part number 4304114, also referenced as HF4304114
Sold as a single unit
Direct replacement for Eaton Fuller transmissions
Call Pro Gear and Transmission to confirm fitment for your specific application
