524-2648 556-6522 5242648 5566522 323D3 and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Hydraulic Pump used for excavator Caterpillar

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272-6955 279-7869 2726955 2797869 323D and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Hydraulic Pump used for excavator hitachi