Bucket Cylinder Seal Kit 707-99-59020 for Komatsu PC220-8 PC240-8 PC290-8 Excavator
Bucket Cylinder Seal Kit 707-99-59020 for Komatsu PC220-8 PC240-8 PC290-8 Excavator
Available in stock
Product Description
Part Name: Bucket Cylinder Seal Kit
Part Number(s): 707-99-59020
Brand Compatibility: Komatsu
Machine Type: Excavator
Hydraulic Component: Bucket Hydraulic Cylinder
Condition: Brand New
Shipping: Fast worldwide shipping with secure packaging, 2–7 day delivery and reliable international logistics.
The 707-99-59020 Bucket Cylinder Seal Kit is designed for the bucket hydraulic cylinder used on selected Komatsu excavators, including the PC220-8, PC220LL-8, PC240-8, PC270-8, PC290-8 and PC308USL-3. The bucket cylinder is responsible for controlling the curling and dumping movement of the excavator bucket, providing the hydraulic force required for digging, loading, material handling and attachment control.
A worn or damaged bucket cylinder seal can cause hydraulic oil leakage, reduced bucket force, slow bucket movement, bucket 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 bucket operation in demanding construction and earthmoving environments.
This seal kit is suited to heavy-duty applications including construction, excavation, earthmoving, quarrying, mining and infrastructure work. Proper cylinder inspection and correct seal installation are recommended to help prevent premature wear and maintain dependable hydraulic performance.
Typical Applications: Construction • Earthmoving • Excavation • Mining • Quarrying • Infrastructure Development • Material Handling
Common Symptoms of Worn Bucket Cylinder Seals
- Hydraulic oil leakage from the bucket cylinder
- Reduced bucket digging or breakout force
- Slow bucket curling or dumping
- Bucket drift during operation
- Loss of hydraulic pressure
- Reduced hydraulic efficiency
- Increased machine downtime
Cross-Reference Part Numbers
OEM Part Number: 707-99-59020
Compatible Models
Excavators: Komatsu PC220-8, PC220LL-8, PC240-8, PC270-8, PC290-8, PC308USL-3.
Fitment Note: Please verify the OEM part number, machine model, serial number and bucket hydraulic cylinder assembly before ordering. Hydraulic cylinder configurations may vary depending on machine model, production series and serial number.
Technical Specifications
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