31M8-51120 R55-7 Excavator Hydraulic Arm Cylinder Assembly for Hyundai Parts with 12-Month Warranty
Price:
Negotiation
MOQ:
1
Delivery Time:
7 Days
Brand:
Glparts
Product Description
Product Overview
| Work Equipment | R55-7 Arm Hydraulic Cylinder Assembly |
| Type | R55-7 |
| Part Number | 31M8-51120 |
| Warranty | 12 Months |
| Main Material | High-Strength Forged Steel |
Quality Advantages
- 16+ Years of Expertise: Over 16 years focused on hydraulic cylinders with deep understanding of excavator demands and real-world working conditions
- OEM-Level Performance: Built to match or exceed OEM specifications with full compatibility for Hitachi, Komatsu, Volvo, Hyundai, Doosan, Kobelco, and more
- Complete Model Coverage: Support for both new and older models with cylinders available for boom, arm, and bucket applications
- Strict Quality Control: 100% pressure-tested before delivery with full in-house production ensuring consistent quality from raw material to finish
Component Parts Breakdown
| Position | Part Number | Part Name |
|---|---|---|
| *. | 31M8-51120 | ARM CYLINDER |
| 1 | 31Y1-22891 | TUBE ASSY |
| 2 | 31Y1-22350 | ROD ASSY |
| 3 | 31Y1-16401 | GLAND |
| 4 | S732-055030 | DD2 BUSH |
| K5. | Y200-055011 | SEAL-ROD |
| K6. | Y180-055020 | RING-BACKUP |
| K7. | Y240-055011 | RING-BUFFER |
| K8. | Y110-055011 | WIPER-DUST |
| 9 | Y190-069000 | RING-SNAP |
| 10 | S632-090001 | O-RING |
| 11 | S632-085004 | O-RING |
| 12 | S642-085002 | RING-BACKUP |
| 13 | S642-085003 | RING-BACK UP |
| 14 | 31YC-25020 | RING-CUSHION |
| 15 | 31Y1-24340 | PISTON |
| K16. | S632-040004 | O-RING |
| K17. | S642-040003 | RING-BACK UP |
| K18. | Y450-090000 | SEAL-PISTON |
| K19. | Y300-090100 | RING-WEAR |
| K20. | Y440-090000 | RING-DUST |
| 21 | 31YC-65290 | NUT-NYLON |
| 22 | 31YC-2A040 | VALVE-CHECK |
| 23 | 31YC-99070 | SPRING-COIL |
| K24. | S631-014004 | O-RING |
| 25 | P220-110103 | PLUG-HEX |
| 26 | 31Y1-22911 | PIPE ASSY-R |
| K27. | Y171-015004 | O-RING |
| 28 | S107-080404 | BOLT-SOCKET |
| 29 | S071-022230 | U-BOLT |
| 30 | S201-101002 | NUT-HEX |
| 31 | S411-100002 | WASHER-SPRING |
| 32 | 31YC-12020 | BUSHING-PIN |
| K33. | Y010-050060 | SEAL-DUST |
| 34 | S651-810002 | NIPPLE-GREASE |
Ordering & Delivery Information
| Payment Terms | T/T, Western Union, Money Gram, Paypal |
| Delivery Time | 3-7 days for parts in stock, 7-20 days for parts not in stock |
Similar Products
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