4628632 4628631 ZX280LC-3 Boom Cylinder for Hitachi Excavator Hydraulic Cylinder

4628632 4628631 ZX280LC-3 Boom Cylinder for Hitachi Excavator Hydraulic Cylinder

ZX160 Hydraulic Cylinder

Boom Cylinder: 4628632 4628631
Arm Cylinder: 4628630 4639448
Bucket Cylinder: 4628628

Material selection

Rod Material: 45#Steel

Assembly Parts material: Hardened Steel

Tube Material: 25Mn

Seal Material: Japan NOK, US SKF

Company Profile

GLPARTS is a professional manufacturer with over 16 years of experience in excavator parts. We specialize in producing high-quality hydraulic cylinders through a fully in-house production line — from raw material processing to final assembly and testing.

Our focus on precision, durability, and performance has earned us the trust of customers worldwide. In addition to hydraulic cylinders, we offer a wide range of excavator components with fast delivery and reliable after-sales support.

If you're looking for a dependable supplier for excavator parts, GLPARTS is the name you can trust.

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.