Traxxas 3991X - Gearbox halves (front & rear)/ shift detent ball/ spring/ 4mm GS/ shift shaft seal glued/ 2.5x8mm CS (2)

Traxxas 3991X - Gearbox halves (front & rear)/ shift detent ball/ spring/ 4mm GS/ shift shaft seal, glued/ 2.5x8mm CS (2)

Brand: Traxxas

Part Number: 3991X

Front and rear gearbox halves with shift detent ball, spring, shaft seal, grub screw, and 2.5x8 mm screws (2).

Replacement part for these models:

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