Tamiya DT-03 Alloy Diff Joint DT3041 by GPM  [DT3041]

Alloy differential joint for DT-03 fitment

This is an aluminium differential joint manufactured by GPM for the Tamiya DT-03 and supplied as 1 pr in the product name. The unit replaces the more flexible plastic or lower-grade metal couplers in the DT-03 drivetrain and aims to provide a firmer interface between the diff output and drive shafts while keeping the chassis geometry unchanged.

Fit and assembly: the DT3041 mounts where the stock differential joints are located on the DT-03. During installation verify spline alignment and ensure fasteners are correctly secured. No other drivetrain modifications are required for standard replacement, but inspect the assembly after initial running to confirm proper retention.

Tuning note: fitting an aluminium joint focuses on reliability and consistent driveline response, reducing flex compared with some stock parts. Use this upgrade as part of an overall setup strategy that includes tyres, suspension and motor/ESC tuning to get the best on-track behaviour.