OEM:4257163/ 4254563 Hitachi EX200-1/2/3,ZAXIS330,EX300-2/ ... motor Item specifics Model Number:EX200-2 part number 1:4257163 part number 2:4254563 machine model 1:EX200-2 ... , step motor, engine motor, hydraulic excavator spare parts assembly 4257163 DescriptionHitachi excavator parts model EX200-3 motor throttle assembly1. Model ... Throttle Motor EX200-2-3 excavator stepping motor 4254563 & 4257163