Traxxas 3978 - Carrier, Differential (Heavy Duty)/ X-Ring Gaskets (2)/
Brand: Traxxas
Part Number: 3978
Replacement or upgrade part for these Traxxas models:
39036 - E-Maxx Brushless
64077 - XO-1 1/7 Scale Supercar
Brand: Traxxas
Part Number: 3978
39036 - E-Maxx Brushless
64077 - XO-1 1/7 Scale Supercar