Tamiya 3451579 - Motor Mount: 42391 TRF421X  [3451579]

Motor mount for TRF421X

This Tamiya spare replaces the motor mounting point used on TRF421X-based touring chassis, offering a direct-fit hop-up option for maintenance and setup work. The part is intended as a scale RC accessory to secure the motor and maintain alignment with the drivetrain.

Focus areas for this motor mount are repeatable motor positioning and straightforward replacement when swapping or upgrading motors. It affects motor alignment relative to the spur and pinion engagement, so check gear mesh and clearances after installation.

Installation is typically a direct swap into the TRF421X motor location; confirm chassis fit and re-check motor spacing before reassembling other components. This part is presented as a replacement hop-up and does not include additional mounting hardware unless stated by the seller.