EX55UR EX55 Hydraulic Boom Cylinder Assy 4316316 for Hitachi Mini Excavator

EX55UR EX55 Hydraulic Boom Cylinder Assy 4316316 for Hitachi Mini Excavator

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Advantage

1. Balanced Piston Performance
Our universal piston design strikes an ideal balance among four key factors:

- Low-pressure sealing performance
- Reduced friction during operation
- High resistance to extrusion under load
- Extended service life of sealing components

2. Engineered for Durability and Cost Efficiency

- Longer-lasting hydraulic cylinders
- Lower maintenance frequency
- Reduced total operating costs for our customers

3. Enhanced Structural Features for Productivity

- Precision-machined rod gland assemblies for improved sealing and serviceability

- Induction-hardened, hard-chromium plated piston rods for superior wear and corrosion resistance

- Multi-stage cushioning to reduce impact, protect equipment, and ensure smoother operation

Guangzhou Guoli Engineering Machinery Co., Ltd., located in GuangZhou city, benefits from a large construction machinery parts market and convenient transportation access. Our company specializes in producing a range of excavator hydraulic cylinders, including excavator arm cylinders, boom cylinders, bucket cylinders, cylinder tubes, and cylinder rods. With 10+ years expertise, we've established a complete production line from R&D to manufacturing, offering OEM customization and precise part number systems with technical specifications/photos/pricing. We pride ourselves on using premium materials such as high-strength steel and advanced processing technologies to ensure durability and performance.

In addition to hydraulic cylinders, we also provide a comprehensive range of other hydraulic components. This includes hydraulic pumps, swing motor, control valve,travel motors,engine parts,and undercarriage components, all designed for use in various excavator models. Our extensive product portfolio reflects our commitment to delivering complete solutions for construction machinery, ensuring that all critical components are available to meet the needs of our customers.

We serve a global customer base, including clients from Thailand, the Philippines, Indonesia, Malaysia, the United States, Turkey, Russia, Mexico, and many other countries. Our products have been recognized and recommended by local dealers and are highly regarded for their quality and reliability. With our competitive prices, timely delivery, and outstanding customer service, we are committed to providing the best solutions for each client. We warmly welcome inquiries from businesses worldwide and look forward to establishing long-lasting partnerships.