This replacement spur gear is an RC-scale aftermarket centre differential component made for TRAXXAS platforms. Constructed from medium carbon steel, it balances wear resistance and dimensional stability for sustained service in 1/10 4WD centre differentials. The part is intended for hobbyist maintenance, tuning and durability upgrades on compatible TRAXXAS trucks and buggies.
Fit this gear when the original plastic or softer metal item shows pitting or rounded teeth, or when you want a firmer engagement feel in the centre differential to alter drivetrain characteristics. It installs into the centre differential gear position and works with the existing internal gears and bearings without replacing the whole gearbox when your model is listed as compatible.
Installation requires basic centre differential disassembly, inspection of mating gears and bearings, and careful reassembly to retain correct backlash and bearing preload for your chassis setup. Confirm fit and clearance on the bench and perform low-speed checks before running at speed.
3956X
This medium carbon steel spur gear is a direct-fit aftermarket option for the listed TRAXXAS centre differentials, intended to improve long-term durability in RC drivetrain duty while preserving stock geometry and fitment.
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