4219781 4219780 Hydraulic Bucket Cylinder Assy with pipeline for EX400-5 ZX450-3 EX400 Excavator

4219781 4219780 Hydraulic Bucket Cylinder Assy with pipeline for EX400-5 ZX450-3 EX400 Excavator

Specification

Cylinder Process

1. Advanced Surface Treatment

Skived and burnished tube inner wall ensures high concentricity and smooth finish
Anti-rust coating and internal phosphating for extended service life

2. Precision Manufacturing

CNC robotic welding for consistent, durable joints
Strict dimensional accuracy for smooth assembly and operation

3. 100% Tested for Quality

Pressure-tested and inspected before shipment
Guaranteed leak-free performance under heavy load

4. Customization Available

OEM & ODM supported: size, stroke, port, mounting, and color can be tailored

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.