158-8142 185-0419 1588142 1850419 317B and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Hydraulic Pump used for excavator hitachi

158-8142 185-0419 185-9197 1588142 1850419 1859197 318B and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Hydraulic Pump used for excavator hitachi