538-9739 550-5744 5389739 5505744 320D3 main pump cat 320d and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Hydraulic Pump used for excavator

387-2626 436-6669 3872626 4366669 320D2 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 main pump

173-3381 200-3366 1733381 2003366 320C and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Hydraulic Pump used for excavator main pump cat 320b, cat 320 main pump

162-0917 126-2073 1620917 1262073 320B and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Hydraulic Pump used for excavator main pump cat 320b

087-4828 087-4718 0874828 0874718 320-A 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 main pump