Traxxas 4284 - Main Differential Gear (100-Tooth) by Traxxas $14.90 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Traxxas 4284 - Main Differential Gear (100-Tooth)Brand: TraxxasPart Number: 4284Replacement or upgrade part for these Traxxas models: