334-9992 339-0512 3349992 3390512 320E 323E and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Hydraulic Pump used for excavator cat 320 excavator hydraulic pump

087-4717 114-0490 0874717 1140490 320 and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Hydraulic Pump used for excavator cat 320 excavator hydraulic pump