1) Komatsu PC-7 excavator Revolution speed Sensor 2) made in China & good quality 3) P/N 7861- ... -2310 4) very good price 1) Komatsu PC-7 excavator Revolution speed Sensor2) made in China & good quality3) P/N 7861 ... wiring harness,excavator motor turn button,excavator control console,excavator sensor,excavator keypad,excavator rubber gear,excavator electronic control handle,excavator ...