Tamiya TB-03 Replacement 7075 Aluminium Differential Shaft TB03-07 by 3Racing  [TB03-07]

Replacement 7075 differential shaft for TB-03

This 7075 aluminium differential shaft is a direct-fit replacement intended for the Tamiya TB-03 chassis, offering a durable spare for drivetrain maintenance. It is designed to substitute worn or damaged original parts while keeping the correct fit and alignment in the TB-03 differential assembly.

Key installation points cover fit and orientation: remove the differential housing, inspect internal gears and bearings for wear, slide the shaft into place ensuring correct engagement with the internals, and reassemble in the reverse sequence. Check for smooth rotation and absence of play before using the model on track.

For maintenance and light tuning this shaft provides dimensional consistency typical of a machined 7075 aluminium part, allowing chassis geometry to remain unchanged while restoring drivetrain integrity. It is ideal for spares, workshop repairs, and incremental setup work on TB-03 cars.