31N850121 31N850125 31N850115 31N850121 R305LC-7 R290LC-7 Boom Hydraulic Cylinder Assembly for Hyundai

Prouduct Description

Are you looking for Hydraulic Cylinder for your R305LC-7 R290LC-7 Excavator? Deadlines are burning, and the work is at a standstill due to a malfunction? Do you need high-quality spare parts with short delivery times ? Glparts is your choice!

Key Features

Material: High-strength steel construction with corrosion-resistant coating.

Seal Technology: Advanced hydraulic seals to prevent leaks and extend service life.

Precision Machining: Components manufactured to strict tolerances for smooth operation.

Pre-Assembled: Ready for installation, reducing downtime during replacement.

Company Profile

A. 16+ years of hydraulic cylinder manufacturing
B. Exported to 100+ countries
C. Quality control from raw material to delivery
D. Advanced sealing systems for long-lasting performance
E. Strong R&D team, OEM/ODM support
F. Fast shipping & reliable after-sales service

FAQ

Q1: Is this hydraulic cylinder compatible with other Hyundai excavator models?
A: This assembly is specifically designed for the R305LC-7 and R290LC-7 models. For other models, please confirm compatibility using our part number lookup tool or contact our support team.

Q2: What is the warranty period?
A: We offer a 12-month warranty against manufacturing defects. Damage caused by improper installation or misuse is not covered.

Q3: Are installation instructions included?
A: Yes, a detailed step-by-step manual is provided. For complex installations, we recommend consulting a certified technician.

Q4: How long does shipping take?
A: Delivery times vary by region. Standard shipping takes 3–7 business days; express options are available upon request.

Q5: Can I return the product if it doesn’t fit my machine?
A: Returns are accepted within 30 days for unused items in original packaging. Contact us first to verify compatibility issues.

More Cylinders We Can Provide

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.