14549596 14642744 Boom Hydraulic Cylinder for Volvo EC380D EC360 EC330C Excavator

Prouduct Description

FAQ

Q1: Can overloading damage the cylinder?
A: Yes. Overloading may cause seal failure, rod bending, or internal damage. Always stay within limits.

Q2: What oil should I use?
A: Use ISO VG 46 or 68 anti-wear hydraulic oil. Keep it clean—dirty oil causes damage.

Q3: Can I replace the seals myself?
A: Yes, with basic tools and skills. We offer guides. For best results, a pro is recommended.

Q4: How to prevent rust during storage?
A: Apply anti-rust oil and store in a dry place. Move the rod occasionally to keep it lubricated.

Q5: How long do your cylinders last?
A: With proper use and care, 3–5 years or more. Lifespan depends on environment and maintenance.

Company Profile

A. 16+ years of hydraulic cylinder manufacturing
B. Exported to 100+ countries
C. Quality control from raw material to delivery
D. Advanced sealing systems for long-lasting performance
E. Strong R&D team, OEM/ODM support
F. Fast shipping & reliable after-sales service

More Cylinders We Can Provide

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.