The Traxxas 9580 Front/Rear Differential Complete is a full assembly differential designed for compatible Traxxas rc 4WD vehicles. This complete unit includes the internal gears, bearings, and housing needed to properly distribute torque between wheels on either the front or rear axle, helping maintain traction and smooth power delivery during acceleration, cornering, and varied terrain. Engineered to meet factory specifications, the 9580 diff provides reliable performance and durability as a direct replacement for worn or damaged differentials. Because it is designed as a direct‑fit assembly, installation is straightforward on models that require this part in their drivetrain configuration, helping restore proper handling and drivetrain function.