This Tamiya 54629 08 Module Steel Pinion Gear is a 19-tooth gear designed for various Tamiya RC car models. It is compatible with the Fighter Buggy, Mad Bull, DT02, and DT03 chassis. This gear is a direct replacement part for several Tamiya models, ensuring optimal performance and durability for your radio-controlled vehicles. It is also suitable for models such as the Frog, Fast Attack Vehicle (FAV), Wild One, Falcon, Striker, Sonic Fighter, Fighter Buggy RX, Mad Bull, Mad Fighter, Super Fighter G, Desert Gator, Thunder Shot, and others listed in the compatibility section. This durable steel pinion gear will enhance the performance of your RC car.