Give your drivetrain solid, reliable performance with the Traxxas 3969 Output Shaft, Transmission, a rugged replacement shaft that helps transfer power smoothly from your gearbox to the drivetrain with minimal play or wear. This output shaft is compatible with Traxxas models that use this transmission design, including the Traxxas Revo, E‑Revo, and T‑Maxx platforms, helping restore dependable drivetrain function after wear or damage. Built to handle aggressive driving and easy to install, it’s a dependable maintenance or upgrade part to keep your ride running strong on every session.