This 17T motor pinion is a direct-replacement part that mates to the motor input on the TRAXXAS MAXX monster truck platform. Made from hardened steel #45, the gear is specified to enhance wear resistance and maintain consistent tooth engagement to help preserve drivetrain stability during everyday running and tuning sessions.
Installation notes: check and set correct mesh with the spur and confirm the pinion seats securely on the motor shaft. The original package lists the motor pinion and a 4x4 set screw for securing the pinion to the shaft. Use this part as a routine service replacement or to refresh drivetrain response after worn teeth are found.
6490X
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