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HPV145LX-28A HPV145JX-28B Hitachi ZX330-5B ZX350-5B ZX350-7 Hydraulic Main Piston Pump Assembly YB60001045 YB60000881 YB60000171 9300615

HPV145LX-28A HPV145JX-28B Hitachi ZX330-5B ZX350-5B ZX350-7 Hydraulic Main Piston Pump Assembly YB60001045 YB60000881 YB60000171 9300615

Hitachi hydraulic pump assembly

9300615 main piston pump

9300615

Place of Origin:

China

Brand Name:

CAVOYD

Model Number:

ZX330-5B ZX350-5B ZX350-7

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HPV145LX-28A HPV145JX-28B Hitachi ZX330-5B ZX350-5B ZX350-7 Hydraulic Main Piston Pump Assembly YB60001045 YB60000881 YB60000171 9300615 HPV145LX-28A HPV145JX-28B Hitachi ZX330-5B ZX350-5B ZX350-7 Hydraulic Main Piston Pump Assembly YB60001045 YB60000881 YB60000171 9300615 HPV145LX-28A HPV145JX-28B Hitachi ZX330-5B ZX350-5B ZX350-7 Hydraulic Main Piston Pump Assembly YB60001045 YB60000881 YB60000171 9300615 HPV145LX-28A HPV145JX-28B Hitachi ZX330-5B ZX350-5B ZX350-7 Hydraulic Main Piston Pump Assembly YB60001045 YB60000881 YB60000171 9300615
Product Details
Delivery Time:
3-8 Working Days
Warranty:
6 Months
Price:
Negotiable
Transportation Method:
DHL, UPS, FedEx, Sea Freight
Payment Terms:
Western Union, T/T, Assurance
Part No:
YB60001045 YB60000881 YB60000171 9300615
Packaging Details:
Wooden Case / Cartonwith Foam Protection, Or As Required
MOQ:
1 Set
Supply Ability:
300 Sets / Month
Product Name:
Hydraulic Pump Assembly
Applicable Model:
E374F E390F
Condition:
New / Rebuilt
Highlight:

Hitachi hydraulic pump assembly

,

9300615 main piston pump

,

9300615

Payment & Shipping Terms
Minimum Order Quantity
1 set
Price
Negotiable
Packaging Details
Dimension: L70×W50×H70 cm
Delivery Time
3-8 days
Payment Terms
T/T
Supply Ability
300pcs/day
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CONTACT US
86--18127821703
280835749@qq.com
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Product Description
Common Faults of Hitachi ZX350-5B Hydraulic Main Pump
Pump Model: HPV145JX / HPV145LX  |  Part No.: 9300615 / YB60000171
  1. Slow movement when hot, weak digging: Worn valve plate, cylinder block and slippers, high internal leakage caused by contaminated hydraulic oil.
  2. Engine bogging under heavy load: Stuck regulator / servo piston, abnormal power control.
  3. Pump noise & squealing: Suction air leak, clogged filter (cavitation), damaged pump bearing.
  4. Poor combined action: Pump solenoid valve failure, stuck regulator spool, insufficient flow output.
  5. Oil leakage: Aged shaft seal and housing O-rings.
Hitachi ZX350-5B Hydraulic Main Pump Purchase Tips
  1. Confirm part number: HPV145JX and HPV145LX are not fully interchangeable.
  2. Product options:
    • Original new: Stable performance, high price, long lead time.
    • OEM new: Export preferred, request factory pressure test report.
    • Rebuilt: Budget-friendly, confirm warranty terms.
    • Used pump: High failure risk, not recommended for export.
  3. Test main pump pressure first to rule out control valve and pilot system faults.
  4. Purchase hydraulic oil, return filter, suction filter and seal kit together.
  5. Export packing: Fumigated wooden crate with test report.
  6. Warranty excludes damage caused by oil contamination, air ingress and improper installation.
HPK055 hydraulic main piston pump assembly for Hitachi ZAX120-3, ZX120-3, and ZX135US-3 excavators, compatible with part numbers 9290597 and 9285566

Tags：

hydraulic piston pump

hydraulic pump for excavator

main hydraulic pump assembly

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Guangzhou Kawo Construction Machinery Co.,Ltd.
With 20 years of professional experience in construction machinery hydraulics, CAVOYD focuses on hydraulic spare parts supply and remanufacturing for excavators, bulldozers and loaders. We mainly supply hydraulic pumps, control valves, swing assemblies, travel assemblies, fan pumps and fan motors. Our parts fit Caterpillar, Komatsu, Volvo, Hitachi, Kobelco, Sany, Doosan and other mainstream brands. We provide high-quality new parts and precision remanufactured parts, serving global clients wit
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