Tamiya AV Pinion Gear Set 18T/19T: CR01 TAM50355 Made by Tamiya; Tamiya is a Japan based company; parts are sourced from Global producers Tamiya part number 50355; UPC 950344503551 This item works with: Associated RC-18 RC18R RC18B RC18T 4WD Truck, Buggy, ; Tamiya GF-01, M03 Mini, M05 Mini, Wild Willy 2 - Wild Willy 2000