EX550 Excavator Hydraulic Arm Cylinder 4309334 4354803

EX550 Arm Cylinder 4309334 4354803 Excavator Hydraulic Cylinder Factory

EX550 Excavator Hydraulic Cylinder:

EX550 CYL.;BOOM: 4309332 4354802 4309333
EX550 CYL.;ARM: 4309334 4354803
EX550 CYL.;BUCKET: 4309335 4338133 4354830 4352759 4340513

We can do

1. Custom Cylinder Solutions
We offer tailor-made hydraulic cylinders to match your specific machine models, drawings, or working conditions.

2. 12-Month Warranty
All our cylinders come with a one-year warranty covering material defects and manufacturing faults for peace of mind.

3. Transparent Manufacturing Process
We share detailed production videos—from raw material selection to precision machining—so you can see the quality behind every product.

4. Installation Guidance
Our technical team is ready to provide professional installation support to ensure correct fitment and performance.

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.