31N8-50139 31N8-60115 31N8-50125 31N8-50115 Boom Arm Bucket Hydraulic Cylinder for R305-7 R290LC-7A R300LC-7

Prouduct Description

Our Advantage

1.Factory Direct.

2.Fast delivery and competitive pricing guaranteed.

3.Dedicated team providing expert, responsive support.

4.Supply of new, used, OEM, and high-quality China-made parts.

5.Secure packaging options including wooden crates and pallet

Company Information

With 16 years of experience, GLPARTS specializes in manufacturing and supplying excavator parts, including hydraulic cylinders, pumps, control valve,travel motor,final drive,diesel engine,hydraulic cylinder tools and undercarriage components. We export to over 100 countries, covering brands like CAT, Komatsu, Volvo, Hitachi, Hyundai, and more.

FAQ

Q1: New or remanufactured hydraulic cylinders and warranty?
All GLPARTS hydraulic cylinders are brand new and pass strict quality control. Warranty is 6 to 12 months, varying by product and operating conditions.

Q2: Ensuring hydraulic cylinder fits my excavator?
Provide your excavator model, part number, or detailed existing cylinder photos. Our team will check compatibility.

Q3: Typical delivery time?
In-stock items ship in 1–3 days. Custom or out-of-stock orders ship in 7–10 days.

Q4: Accepted payment methods?
We accept T/T (bank transfer), PayPal, Western Union, and L/C.

Q5: Ordering a single unit for testing?
Yes, trial orders, including single-unit purchases, are welcome to evaluate our product quality.

Q6: OEM or customized hydraulic cylinders?
Yes. We offer OEM and ODM services. Share your specs or drawings for a customized solution.

Q7: Types of hydraulic cylinders offered?
We supply arm, boom, and bucket cylinders, suitable for various excavator models and applications.

Customer Evaluation

More Cylinder We Can Provide(not more than that)

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.