1) Komatsu PC-7 excavator Revolution speed Sensor 2) made in China & good quality 3) P/N ... and looking forward to your early reply.Product service:We sell Excavator part,excavator controller,excavator monitor,excavator throttle motor, ... wiring harness,excavator motor turn button,excavator control console,excavator sensor,excavator keypad,excavator rubber gear,excavator electronic control handle, ...