400310-00336 400305-00420A Arm Bucket Hydraulic Cylinder for DX300LCA Construction Equipment

Prouduct Description

Arm Cylinder:400310-00336 401107-01050 400305-00004G 420406-00637A

Boom Cylinder:401107-01046 400309-00002C 420402-00207A 400309-000030

Bucket Cylinder: 400305-00420A 401107-01047 400310-00002G 420402-00379 400310-00141C 420402-00380 400310-00145B 400310-00145C 420406-00638 420406-00638A

Cylinder dimension confirmation

Before order confirmation, we will verify cylinder size and mounting details with you.

Why Choose Us

Factory + Trade Integration
Direct from manufacturer with flexible export service.

Competitive Pricing
No middlemen—factory prices to cut your cost.

Reliable Quality
High-strength steel, NOK/SKF seals, precision parts for long service life.

OEM Expertise
16+ years of custom manufacturing for global excavator brands.

Tailored Solutions
Send your part number, model, or drawing—we’ll match it accurately.

Trusted Worldwide
Exported to 100+ countries, serving construction and mining industries.

Company Information

With over 16 years of experience in hydraulic cylinder manufacturing, GLPARTS has exported products to more than 100 countries worldwide, including the United States, Germany, Australia, and the Middle East. Backed by a skilled team of engineers and a responsive sales force, we provide comprehensive support—before, during, and after the sale—to ensure your satisfaction every step of the way.

More Cylinder We Can Provide(not more than that)

Delivery & Packaging

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.