This a bottle of 10K Weight Diff Oil (1.75 oz / 50cc) with a filler nozzle. This oil can be used in a wide range of Traxxas vehicles to help tune the differentials for optimum performance.
Traxxas 10K-wt Differential Oil (50 cc Bottle) TRA5135
Traxxas 100K Weight Differential Diff Oil - E-Revo Summit Slayer XO-1 - TRA5130
Traxxas 30K Weight Differential Diff Oil E-Revo Summit T-Maxx Jato Slayer - 5136
Traxxas 100k Weight Differential Oil 20cc 5130
Traxxas 500K Weight Differential Oil 5039 TRA5039
Traxxas 5135 Oil, Differential (10K weight)