Reduced hydraulic efficiency in EX120 and ZX120 excavators often leads to slower working cycles and unstable digging performance during extended jobsite operation. The 9192497 / 9197338 / 9227923 pump assembly is built around HPK055 variable displacement technology, enabling stable hydraulic output recovery and consistent system pressure across varying load conditions.
Item NO.:
9192497 (9197338 922Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANShipping Port:
Huangpu,GuangzhouLead Time：
2-3 DAYS
| Part Number |
|
|---|---|
| Part Name | Hydraulic Pump |
| Compatible Brand | Hitachi |
| Applicable Models | ZX120, EX120 |
| Application | Excavator |
| Material | High-Strength Alloy Steel |
| Product Color | Industrial Grey |
| Working Temperature | -20°C to +85°C |
| Key Function | Generates and regulates hydraulic pressure for excavator systems |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |
Flow output shifts with working resistance, helping Hitachi ZX120 and EX120 excavators hold steady performance under changing load.
Fine-tuned piston and valve plate clearances restrict internal leakage and improve overall hydraulic efficiency.
Fits Hitachi HPK055 axial piston pump systems, with reference 9192497 / 9197338 / 9227923 for accurate replacement identification.
Built for long working shifts in construction and earthmoving applications with dependable hydraulic response.
Q: What are the common symptoms of a failing 9192497 hydraulic pump?
A: Reduced flow and pressure, sluggish boom and arm response, oil leakage, increasing noise and high oil temperature are common indicators of pump wear.
Q: What should be checked before installing the 9192497 pump?
A: Confirm the part number and machine model, inspect the mounting and coupling alignment, ensure the hydraulic oil and filters are clean, and check the regulator setting before start-up.
Q: Is this 9192497 a genuine OEM or aftermarket part?
A: This is a 100% new aftermarket assembly manufactured to OEM specifications. RITO HYDRAULIC is a listed factory and supplier to major Chinese excavator OEMs and Fortune 500 companies.
Q: How to confirm the 9192497 fits my excavator model?
A: Match your original part number against 9192497. This pump assembly fits Hitachi ZX120 and EX120 excavators. Contact our technical team with your serial number for compatibility confirmation.
Q: What quality options are available?
A: We provide original, OEM and high-quality aftermarket versions with stable supply capability.
Q:Why Choose RITO?
A: Listed Factory
Stable&Reliable Quality
OEM Factory for Chinese Top Excavator Brands
Supplier to Fortune 500 Companies
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