The Eaton Fuller Countershift Gear, part number 21220, is a genuine Eaton Fuller transmission component designed for heavy-duty applications. The countershift gear is a critical drivetrain element within the Fuller transmission assembly, transferring rotational force between the input and output shafts through the countershaft cluster. This part number identifies a specific gear configuration within the Fuller transmission family. Pro Gear and Transmission supplies genuine Eaton Fuller parts direct to fleet shops and independent mechanics. Call us to confirm this is the correct part for your transmission build.
Features
Genuine Eaton Fuller countershift gear
Part number 21220
Designed for heavy-duty Fuller transmission applications
Critical countershaft drivetrain component
Sold by Pro Gear and Transmission
