Arm Cylinder Seal Kit 707-99-66210 for Komatsu WA800 WA800L WA900 WA900L WD900 Wheel Loader
Arm Cylinder Seal Kit 707-99-66210 for Komatsu WA800 WA800L WA900 WA900L WD900 Wheel Loader
Available in stock
Product Description
Part Name: Arm Cylinder Seal Kit
Part Number(s): 707-99-66210
Brand Compatibility: Komatsu
Machine Type: Wheel Loader
Hydraulic Component: Arm Hydraulic Cylinder
Condition: Brand New
Shipping: Fast worldwide shipping with secure packaging, 2–7 day delivery and reliable international logistics.
The 707-99-66210 Arm Cylinder Seal Kit is designed for the arm hydraulic cylinder of selected Komatsu large wheel loaders, including the WA800, WA800L, WA900, WA900L and WD900. The arm cylinder provides hydraulic force for loader arm movement during heavy-duty material handling, loading and earthmoving operations.
Worn or damaged arm cylinder seals can result in hydraulic oil leakage, reduced hydraulic force, slow arm movement, cylinder drift and loss of hydraulic efficiency. Replacing worn sealing components with the correct seal kit can help restore cylinder sealing performance, maintain hydraulic pressure and support reliable arm cylinder operation in demanding working environments.
This seal kit is suited to heavy-duty applications including mining, quarrying, aggregate handling, large-scale earthmoving and construction. Proper hydraulic cylinder inspection and correct seal installation are recommended to help prevent premature wear and maintain dependable wheel loader performance.
Typical Applications: Mining • Quarrying • Heavy Earthmoving • Aggregate Handling • Construction • Material Loading
Common Symptoms of Worn Arm Cylinder Seals
- Hydraulic oil leakage from the arm cylinder
- Reduced arm movement force
- Slow arm movement
- Arm drift during operation
- Loss of hydraulic pressure
- Reduced hydraulic efficiency
- Increased machine downtime
Cross-Reference Part Numbers
OEM Part Number: 707-99-66210
Compatible Models
Wheel Loaders: Komatsu WA800, WA800L, WA900, WA900L, WD900.
Fitment Note: Please verify the OEM part number, machine model, serial number and arm hydraulic cylinder assembly before ordering. Hydraulic cylinder configurations may vary depending on machine model, production series, serial number and machine configuration.
Technical Specifications
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