This JR-THNE05-GU aluminium gear box cover is an aftermarket, RC-scale replacement crafted to suit the Tamiya DT02, DT03, DT04 and Hornet EVO chassis listed in the title. The gun metal finish offers a tougher external surface intended to interface with the original gearbox mounting locations on the specified Tamiya models.
As a material upgrade, aluminium provides a firmer mounting area and better abrasion resistance compared with many stock plastic covers, helping the chassis maintain shape under load and reducing wear from debris. It is intended as a protective and structural improvement while leaving internal gearbox components accessible.
Fitting is simple for those experienced with model maintenance: remove the factory cover, inspect gear alignment, position the JR-THNE05-GU and secure using the existing holes. After installation, recheck gear operation and clearances to ensure smooth rotation.
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