Guangzhou Guoli Engineering Machinery Co., Ltd.
                                                                                                           
Verified Supplier
22 Years
Since 2004
Menu

Hyundai R290LC-7 Boom Hydraulic Cylinder Assembly 31Q8-50110 31N8-50121 OEM Parts

Price Negotiable
Price: Negotiation
MOQ: 1
Delivery Time: 7 Days
Brand: Glparts
Product Description
Product Overview
Product Name Boom Excavator Hydraulic Cylinder
Compatible Models R290-7, R290LC-7
Part Numbers 31Q8-50120, 31Q8-50110, 31N8-50121, 31N8-50111
Dimensions Customized
OEM Compatibility Yes
Hydraulic Cylinder Spare Parts
31Q8-50110 Assembly Components
Position Part Number Part Name
* 31Q8-50110 BOOM CYLINDER ASSY-LH
* 31Q8-50120 BOOM CYLINDER ASSY-RH
*-1 31Y1-29830 BOOM CYL SUB ASSY
1 31Y1-29840 TUBE ASSY
2 31Y1-29890 ROD ASSY
Hyundai R290LC-7 Boom Cylinder Assembly 31Q8-50110
31N8-50121 & 31N8-50111 Assembly Components
Position Part Number Part Name
* 31N8-50121 BOOM CYLINDER-LH
* 31N8-50111 BOOM CYLINDER-RH
* 31N8-52120 BOOM CYLINDER-LH
*-1 31Y1-15241 BOOM CYLINDER SUB
1 31Y1-15251 TUBE ASSY
Hyundai Boom Cylinder Assembly 31N8-50121 and 31N8-50111
Suitable for different models. Please contact us for the specific part number, part number information is being updated.
Manufacturing Excellence
Piston Rod Production
Feature Description
Material Tempered steel
Surface Treatment Induction hardened before chrome plating to prevent bending and scratching
Rust Resistance Resists rust for over 100 hours in salt spray tests
Production Process Produced and electroplated in-house
Finish Mirror finish technology
Piston rod production process for hydraulic cylinders
Automated Welding Process
Feature Description
Welding Method Fully automated welding for consistency and integrity
Craftsmanship Lean welding craft ensures strong joint strength and eliminates defects
Weld Seam Quality Weld seam matches the appearance of original parts
Durability Welded parts are not easy to fall off
Automatic welding process for hydraulic cylinder manufacturing
Quality Assurance
  • Complete hydraulic cylinder production line from design to manufacturing
  • Over ten years of manufacturing experience
  • Advanced CNC lathes, grinders, and assembly equipment
  • Strict adherence to ISO quality standards
  • Multi-stage hydraulic cylinder production capability
Finished product warehouse display of hydraulic cylinders
Company Profile

GuangZhou GuoLi Engineering Machinery Co., Ltd. specializes in excavator hydraulic cylinders with over 16 years of manufacturing experience. Our product range includes crawler excavator arm cylinders, boom cylinders, bucket cylinders, cylinder tubes, cylinder rods, custom hydraulic cylinders, seal kits, hydraulic pumps, and electric parts designed for various excavator models. Our products have been exported to over 100 countries and regions worldwide.

Global Presence

Active participation in major international exhibitions including 2023 Malaysia and 2024 Shanghai Bauma, demonstrating our commitment to global engineering machinery markets.

Exhibition showcase of hydraulic cylinders at international trade shows

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Guangzhou Guoli Engineering Machinery Co., Ltd.
Location Room 202, Building A9, Guangxin Creative Park, No. 24 Jishan New Road Street, Zhuji Street, Tianhe District, Guangzhou, Guangdong, China
Contact Person Tina

Request A Quote

Please check your email address.
Your message must be at least 20 characters.