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Excavator R305LC-7 RED Control Valve Seal Kit 31N9-10110
High-quality replacement seal kit for Hyundai R305LC-7 excavator control valves, designed to restore optimal hydraulic performance.
Product SpecifiCions
Part Name
Control Valve Seal Kit
Advantage
Save more than 90% of costs
Product Number
31N9-10110
Pressure
Typically over 300 bar
Model
R305LC-7
Delivery Time
7-10 Days
Brand Support
HYUNDAI
MOQ
3 sets
Manufacturer
Korea
Brand
WYS ®
Material
NBR, FKM, PTFE, SPCC
Payment
L/C, T/T, PayPal, Alipay
Quantity
1 EA contains 9 packets
Shipping
Depends on customers
Cost-Effective Solution
Compared to replacing the entire expensive control valve assembly (tens of thousands of yuan), repairing with high-quality sealing kits (typically costing several hundred to several thousand yuan) can save more than 90% of the cost, making it a highly economical repair solution.
Product Features & Advantages
Precise Size & Quantity Matching
During maintenance, there's no need to individually check dozens of seals of different specifiCions. Solve the problem in one go, improving efficiency and accuracy.
Imported Hydrogenated Nitrile Rubber
Withstands high pressure (over 300 bar) and oil temperature changes (-30℃ to 120℃). Long service life, stable performance, and leak prevention.
Strict Tolerance Control
Restores valve body to original design performance, ensuring smooth operation and ample power.
Troubleshooting Common Problems
Specifically designed to address common issues in control valves of this machine model, such as seal aging, hardening, and wear. Effectively resolves:
Slow and weak operation
Worse operation after warm-up
Automatic boom drop and bucket inability to retract
Oil leakage from valve body exterior or mating surfaces
Slight machine movement even when control lever is neutral (caused by internal leakage)
Related Recommendations
The Indonesia Energy & Engineering Series Exhibition in September 2025 (Southeast Asian market) The Bauma China Shanghai exhibition in November 2024 (global industry event) The CTT exhibition in Russia in May 2024 and 2023 (targeting Eastern European and CIS markets)
Are you the authorized distributor of WYS seals in China?
Yes, we are the officially authorized distributor of WYS seals in China.
What is the difference between WYS seals and other brands?
Exceptional durability, with a failure rate more than 60% lower than ordinary brands.
How to get samples from you?
We support sample service. Please contact customer service for details.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler
Year Established:
2008
Total Annual:
5000000-8000000
Employee Number:
50~60
Ecer Certification：
Verified Supplier
Guangzhou Yangkai Machinery Parts Co., Ltd. was founded in 2008, our company has 18 years experience which is a professional, diversified construction machinery parts supply enterprises, Our products suitable for: komatsu, C, Hitachi, sumitomo, kato, daewoo, hyundai,kobelco,,Sany and other brands of... Guangzhou Yangkai Machinery Parts Co., Ltd. was founded in 2008, our company has 18 years experience which is a professional, diversified construction machinery parts supply enterprises, Our products suitable for: komatsu, C, Hitachi, sumitomo, kato, daewoo, hyundai,kobelco,,Sany and other brands of...
