ZX370 Hydraulic Boom Cylinder for Hitachi Excavator Spare Parts 9232710 9232711 Aftermarket High Quality
ZX370 Hydraulic Boom Cylinder for Hitachi Excavator | PN:9232710 / 9232711 | Premium Aftermarket Replacement
1. Basic Product Info
This top-tier aftermarket hydraulic boom cylinder is tailor-made as a direct replacement part for Hitachi ZX370 excavators. Serving as a core hydraulic actuator for the working assembly, it precisely controls the upward and downward movement of the boom to undertake heavy excavation, material hoisting and large-scale earthmoving tasks. It is widely adopted in infrastructure construction, quarry operations, site development and other heavy-duty job sites. All units are manufactured in strict compliance with Hitachi’s original OEM specifications, featuring identical mounting sizes, pin spacing and hydraulic port positions. Users can finish hassle-free direct bolt-on installation on site without any cutting, welding or extra field modifications.
| Item | Specification |
|---|---|
| Product Name | Hydraulic Boom Cylinder |
| Applicable Model | Hitachi ZX370 Excavator |
| OEM Part Number | 9232710, 9232711 |
| Product Grade | Brand New High-Quality Aftermarket |
| Warranty | 12 months against manufacturing defects |
| MOQ | 1 unit, ample stock for immediate delivery |
| QC Standard | ISO9001 certified, full hydraulic pressure and cyclic tests before shipment |
2. Core Technical Parameters

| # | Part No. | Description | Qty |
|---|---|---|---|
| 00 | 9186600 | CYL.; BOOM | 1 |
| 00 | 9232710 | CYL.; BOOM | 1 |
| 00A | 4611473 | . CYL.; BOOM | 1 |
| 00B | 4381855 | . BUSHING | 4 |
| 101 | 4451668 | FELT (DELIVERY PARTS) | 1 |
| 102 | 4167948 | CLIP; BAND (DELIVERY PARTS) | 1 |
| Spec Item | Data |
|---|---|
| Bore Diameter | 145mm |
| Piston Rod Diameter | 98mm |
| Working Stroke | 1540mm |
| Rated Working Pressure | 31.4MPa |
| Factory Test Pressure | 47.1MPa (1.5 times the rated working pressure) |
| Barrel Material | High-tensile seamless alloy steel with precision inner honing |
| Piston Rod | 40CrMo heat-treated steel, 28~32μm hard chrome plating, HRC68~72 for superior wear resistance and anti-deformation performance |
| Matching Seal Kit PN | 9232710K / 9232711K |
| Working Temperature | -25℃ ~ +85℃ |
| Structure | Double ear lugs with quenched copper wear bushings, built-in buffer device to reduce impact during operation |
3. Product Advantages
- Dual Part Code Compatibility: The two listed OEM part numbers are fully interchangeable. The overall structure and mounting dimensions match the original assembly perfectly, enabling seamless connection with boom linkages and hydraulic pipelines.
- Heavy-Duty Reinforced Construction: The cylinder barrel and joint lugs are structurally strengthened to cope with continuous heavy loads and frequent impacts in harsh working environments, extending the overall service lifespan effectively.
- Strict Factory Testing Procedure: Every finished cylinder undergoes repeated full-stroke cycle tests and high-pressure airtight inspections, completely eliminating hidden risks of internal and external oil leakage.
- Excellent Cost Efficiency: It delivers equivalent performance and reliability as genuine Hitachi parts, helping equipment maintenance teams and spare parts distributors cut operational expenditure significantly.
- Diversified Shipping Options: In-stock products can be dispatched within 3 working days. Air freight caters to urgent delivery demands, while sea freight is the most economical choice for bulk orders.
4. Supplier Brief
Our factory boasts over ten years of professional experience in producing hydraulic cylinders for Hitachi ZX series excavators. We provide a complete lineup of boom, arm and bucket cylinders for ZX370 and other mainstream Hitachi models. Backed by mature production techniques and rigorous quality management, our products enjoy great popularity and are steadily exported to aftermarket markets across Africa, Southeast Asia and the Middle East, winning unanimous praise from overseas customers.
5. FAQ
Q1: Can this boom cylinder fit ZX360 or ZX380 series excavators?
A: No. Different Hitachi model variants adopt exclusive part numbers and structural dimensions, which are not interchangeable. Please confirm your excavator model before placing orders.
Q2: Does the standard product come with the seal repair kit?
A: The seal repair kit is not included in standard packages. You can purchase the dedicated matching kit separately, and we offer a competitive price for combined orders.
Q3: What packaging is used for long-distance sea transportation?
A: Anti-rust oil is injected into the cylinder interior, and anti-rust grease is coated on the piston rod. The whole product is wrapped with waterproof PE film and packed in sturdy export plywood cases.
Q4: Are there discount policies for purchasing a full set of working device cylinders?
A: Yes. Orders for complete cylinder sets are eligible for tiered discounts. We also provide consolidated shipment service to help you save logistics costs.
Q5: What after-sales support can be provided if oil leakage occurs within the warranty period?
A: Please submit clear photos of the leakage area and your excavator serial number. We will arrange free seal replacement and professional remote technical guidance promptly.
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