MS120-2/5 ARM SEAL KIT for Mitsubishi Excavator
Complete arm seal kit specifically designed for Mitsubishi MS120-2/5 excavator models, engineered to solve boom oil leakage issues with factory-level precision.
Core Quality Advantages
Product SpecifiCions
| Part Number |
Mitsubishi 120-2/5 |
| Part Name |
Arm seal kit |
| Machine Type |
Excavator |
| Brand |
WYS |
| Price |
$10-$15 / set |
| Wholesale |
200 items or more with tiered discounts |
| MOQ |
5 sets |
| Lead Time |
5-8 work days |
| Payment Methods |
T/T, D/P, L/C, Trade Assurance, Alipay |
| Transport Options |
DHL, UPS, TNT, FedEx, EMS, Sea Freight |
| Delivery Terms |
Self-pickup, EXW, FOB, CIF, DAP, DDP |
Technical Parameters
| Parameter Item |
Parameter Value |
Description |
| Product Model |
MS120-2/5 ARM SEAL KIT |
Arm-specific Seal Kit |
| Applicable Models |
Mitsubishi MS120, MS120-2, MS120-5 etc. |
Precisely matches the size of the hydraulic arm cylinder |
| Main Material |
NBR (Nitrile Rubber), FKM (Fluoroelastomer) |
Oil-resistant, high-temperature resistant, anti-aging, suitable for harsh working conditions |
| Operating Temperature |
-40℃ ~ 120℃ |
Adapts to high and low temperature operating environments |
| Operating Pressure |
≤ 35MPa |
Meets the high-pressure requirements of the excavator hydraulic system |
| Kit Includes |
Main Oil Seal, Dust Seal, Guide Bushing, O-Ring, Buffer Seal, etc. |
Complete set of accessories for one-stop maintenance and replacement |
| Product Standard |
ISO 9001 Quality CertifiCion |
Complies with General Standards for Industrial Seals |
| Packaging Method |
Anti-static Seal Bag + Carton Packaging |
Prevents damage and contamination during transportation |
Quality Assurance
Certified with ISO 9001 quality management system and raw material qualifiCion certifiCes. Supports third-party authoritative testing with guaranteed quality traceability.
Market validated through years of hydraulic seal manufacturing experience. This MS120-2/5 dediCed kit has served over 500 construction machinery repair companies worldwide, achieving a 99% accuracy rate.

After-sales Service
- Professional technical support with remote installation guidance from our engineers
- Bulk customization support with discounts available for large orders
- Fast shipping: In-stock products shipped within 24 hours via DHL, FedEx, sea freight and other methods

Frequently Asked Questions
What kind of company are you?
Guangzhou Yanqkai Machinery is a manufacturer of high quality seals for excavators and holds the exclusive distributorship in China for WYS products from South Korea.
Which brands do you operate?
We carry brands such as WYS, SKF, TTO, PET, and YCC. We offer standard parts and also support personalized customization.
How can I get the sample?
Please send the part number via email/WhatsApp, and the sales manager will reply promptly.
How to pay and ship?
Payment: T/T, D/P, Trade Assurance, Alipay, WeChat Pay. Shipping: DHL, UPS, TNT, FedEx, Sea Freight.