The FEIN 51203003227 Genuine Field Coil Stator is an original replacement motor field for selected FEIN drills, screwdrivers and impact wrenches in the 636 range. Although FEIN parts data describes the component as “Stator 50Hz 220V”, the same 51203003227 part is specified in compatible 220V and 230V machines, including versions rated at both 50Hz and 50/60Hz. It is suitable for replacing a burnt, damaged or electrically defective original stator and provides the stationary magnetic field required to drive the motor armature.