Hitachi EX120-5 Hydraulic Pump Repair Kit - Suitable for Excavator Hydraulic Pump Overhaul
The EX120-5 hydraulic pump repair kit is suitable for overhauling and repairing the main hydraulic pump of the Hitachi EX120-5 excavator. This kit primarily addresses issues such as insufficient hydraulic pump pressure, slow operation, internal wear, abnormal noise, overheating, and decreased efficiency, helping to restore the hydraulic system's output performance, extend the hydraulic pump's lifespan, and reduce overall machine downtime and maintenance costs.
EX120-5 Hydraulic Pump Repair Kit Specifications
| Product Name |
EX120-5 Hydraulic Pump Repair Kit |
| Product Type |
Hydraulic Pump Reconstruction and Repair Kit |
| Material |
Alloy Steel, Wear-Resistant Cast Iron |
| Minimum Order Quantity |
1 piece |
| Payment Method |
Western Union, T/T |
| Shipping Method |
UPS/DHL/EMS/TNT/FedEx |
Applicable Hitachi Excavators: EX120-5
Applications: Hydraulic pump repair, overhaul, refurbishment
Kit Contents: Pump body, piston, ball joint, distributor plate, return plate
Features and Advantages
Includes core wear parts of the hydraulic pump, meeting overhaul needs.
Precision-machined flow distribution surface improves volumetric efficiency and sealing performance.
High-precision piston-pump body fit reduces internal leakage.
Reduces abnormal noise and vibration in the hydraulic pump.

Hitachi EX120-5 Excavator Hydraulic Pump Repair Kit: Pump body, piston, distributor plate, return plate, ball joint kit
Guangzhou Minshun Machinery Equipment Co., Ltd.
We specialize in the sales and service of diesel engine assemblies and construction machinery parts. Our product line covers engine assemblies, filtration systems, electronic control components, hardware accessories, wiring harnesses, and electrical accessories. Our service area includes Canada, the United States, the United Kingdom, Mexico, the Netherlands, Kazakhstan, Mongolia, Russia, Australia, Malaysia, Turkey, Indonesia, Singapore, Thailand, South America, South Africa, and other countries and regions.
Our Product Range
| Engine Rebuild Kit |
Turbochargers |
Engine Diesel Pumps |
Engine Controllers (ECU) |
| Cylinder Blocks |
Cylinder Heads |
Water Pumps |
Injectors |
| Starter Motors |
Filters |
Other Engine Accessories |
Excavator Hydraulic Pumps |
| Swivel Components |
Distributor Valves |
Travel Motor Assemblies |
Chassis Components and Other Accessories |


Frequently Asked Questions
Q1: What is your main products?
A1: We are specialized in the excavator engine spare parts, for example Main cylinder block, cylinder head, crankshaft, Engine assembly, piston, cylinder liner, piston ring, camshaft, connecting rod, oil pump, water pump, valve series products, movement, etc. almost all parts of the entire engine.
Q2: Do you test all products before shipping?
A2: Yes, we conduct 100% testing before shipping.
Q3: Which engine models is this Hydraulic Main Pump compatible with?
A3: This product is designed for specific machine models. If you can provide the excavator model or nameplate, we can confirm compatibility before shipment to avoid incompatibility issues.
Q4: Can you provide cross-reference information for OEM part numbers?
A4: Yes, we support original part interchange. Please provide the original part number, and we will verify the replacement part accordingly.
Q5: What should I do if there is a problem with the product?
A5: Our products undergo professional testing and are of very stable quality. If you do find any problems, please contact us. We have a professional after-sales team to help you solve the problem.
Why Choose Us?
• Over 20 years of focus on construction machinery – offering a full range of excavator assemblies and accessories.
• Get a Quote – Our professional team will provide you with a quote immediately upon receiving your requirements.