HPV145 Hydraulic Pump 9195242 9207291 Fits For Hitachi ZX330 3 ZX350K 3 ZX360H 3 01 cbd88358 6ed9 49b2 8035 71b909be995e.jpg

Hydraulic Pump HPV145 9195242 for Hitachi ZX330-3 ZX350K-3 ZX360H-3

Part 9257309 is an aftermarket new hydraulic pump covering Hitachi ZX330-3, ZX350K-3 and HPV145. In service it converts engine power into the hydraulic flow and pressure that moves the boom, arm, bucket, swing and travel. It also cross-references 9256125 and 9257348.

Category: Hydraulic Pump Assembly

Description
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9257309 Hydraulic Pump is an aftermarket replacement hydraulic pump for Hitachi, including ZX330-3, ZX350K-3, HPV145. The main hydraulic pump converts engine power into pressurized oil flow. Supplied by LIONKITS as new, aftermarket, part number: 9257309, 9256125, 9257348.

9257309 Hydraulic Pump Specifications

Product Type: Hydraulic Pump
Part Number: 9257309, 9256125, 9257348
Compatible Brand: Hitachi
Condition: new, aftermarket, Part number: 9257309, 9256125, 9257348
Country of Origin: China

Hitachi Models Compatible with the 9257309 Hydraulic Pump

Fits For Hitachi ZX330-3
ZX350K-3
HPV145
ZX330-3-HCMC
ZX350-3-AMS
ZX350H-3
ZX350LC-3-HCME
ZX400W-3

Your model is not listed? Contact LIONKITS via live chat or email with your machine model and nameplate photo, and we will confirm compatibility.

What Does a Hydraulic Pump Do?

The main hydraulic pump converts engine power into pressurized oil flow. That oil moves the boom, arm, bucket, swing and travel functions, so every machine movement depends on it. Because it takes the most punishment, it is usually the first major hydraulic component to wear out.

Signs the Part Needs Replacing

Slow or weak movement on all functions: when everything is slow at once, not just one circuit, the pump is the most likely source.
Whining, knocking or grinding noise: internal wear or cavitation, especially on start-up or when the oil is cold.
Hydraulic oil running hot: internal bypass leakage turns pressure into heat.
Metal particles in the filter or case drain: a failing pump sheds metal and pushes out more case drain flow.
Erratic or spongy movement, foamy oil: air entering the suction line, or aeration, upsets pump flow.

These symptoms overlap with clogged filters, low oil, air in the suction line and worn valves, so check the filters and oil level before replacing the part.

How to Order and Install the 9257309 Hydraulic Pump

Confirm your machine model, the part number and the pump model on your existing pump before ordering.
Send a photo of the old pump or the nameplate if you are not sure; LIONKITS will confirm fitment for you.
Change the hydraulic oil and the return filters before fitting the new pump; a new pump installed in contaminated oil will fail early.
If the old pump failed internally and shed metal, flush the tank, hoses and oil cooler and inspect the control valve and motors for contamination.
Fill the pump case with clean hydraulic oil and prime the pump as the service manual specifies before the first start.
Check the suction line, strainer and fittings for air leaks, and tighten bolts to the specified torque.
Run the machine at low speed first, then check pressure, noise and leaks.

Frequently Asked Questions

What is the 9257309 Hydraulic Pump?

The 9257309 Hydraulic Pump is an aftermarket replacement hydraulic pump for Hitachi , supplied as new, aftermarket, part number: 9257309, 9256125, 9257348 under part numbers 9257309, 9256125, 9257348.

Which Hitachi models does the 9257309 Hydraulic Pump fit?

It is listed for ZX330-3, ZX350K-3, HPV145 and other models in the compatibility list above. If you are unsure, send your machine nameplate to LIONKITS for confirmation.

How do I know my hydraulic pump is failing?

Typical signs are slow or weak movement on all functions, whining or knocking noise, hot hydraulic oil, metal particles in the filter or case drain and erratic or spongy movement.