Fab Idler Retainer

The Schumacher Fab Idler Retainer (SCH-U4807) is a genuine replacement spare designed to secure the idler gear within an RC transmission assembly. Using the correct retainer helps maintain gear alignment and smooth, reliable drivetrain operation during racing and general use.

This official Schumacher part matches original specifications for a straightforward fit when servicing or rebuilding your gearbox. It is suitable when addressing wear, excessive play around the idler gear, or as preventative maintenance during a full transmission refresh. For installation order and torque guidance, refer to your model’s build manual.