Traxxas Carrier Differential Heavy Duty (E-Maxx) TRA3978
Hot Racing Aluminum Upper Rear Gear Box Cover: Traxxas X-Maxx | Horizon Hobby
Hot Racing Aluminum Front or Rear Differential Housing Cover for Traxxas X- Maxx, "XMX12C01"
Amazon.com: Metal Front Rear Center Drive Torque-Biasing Differential Case Gear Set 7790 7781 7754 for RC Car 1/5 Traxxas XMaxx 6S X-Maxx 8S (8S After Blue) : Toys & Games
Amazon.com: Traxxas X-MAXX 8S DIFFERENTIALS Front OR Rear. : Toys & Games