387-2618 391-9452 3872618 3919452 318D2 and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Hydraulic Pump used for excavator hitachi

255-3025 311-7405 391-9425 2553025 3117405 3919425 318D and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Hydraulic Pump used for excavator hitachi