Dump Cylinder Seal Kit 707-99-73010 for Komatsu WA420-1 WA450-1 WA470-1 Wheel Loader
Dump Cylinder Seal Kit 707-99-73010 for Komatsu WA420-1 WA450-1 WA470-1 Wheel Loader
Available in stock
Product Description
Part Name: Dump Cylinder Seal Kit
Part Number(s): 707-99-73010
Brand Compatibility: Komatsu
Machine Type: Wheel Loader
Component: Dump Hydraulic Cylinder
Condition: Brand New
Shipping: Fast worldwide shipping with secure packaging and reliable international delivery within 2–7 business days.
The 707-99-73010 Dump Cylinder Seal Kit is manufactured to OEM specifications for the dump hydraulic cylinder fitted to Komatsu WA420-1, WA450-1 and WA470-1 wheel loaders. This hydraulic cylinder seal kit is designed to restore reliable sealing performance within the dump cylinder, helping prevent hydraulic oil leakage and maintain the hydraulic pressure required for controlled bucket dumping. Manufactured from high-quality sealing materials, it provides dependable performance in demanding construction, quarrying, mining and heavy material handling applications.
The dump hydraulic cylinder controls the forward tilting and dumping movement of the wheel loader bucket, allowing operators to discharge materials efficiently into trucks, stockpiles, hoppers and other locations. Continuous exposure to high hydraulic pressures, heavy payloads and repeated operating cycles gradually wears cylinder sealing components. Damaged or worn seals can result in external hydraulic oil leakage, slow bucket dumping, reduced hydraulic force, bucket drift and internal pressure bypass. Replacing the appropriate seal kit can help restore hydraulic efficiency, maintain cylinder pressure and improve loader productivity while reducing unplanned maintenance downtime.
Typical Applications
Construction • Earthmoving • Mining • Quarrying • Aggregate Handling • Material Handling • Road Construction • Loading Operations
Common Symptoms
- Hydraulic oil leakage from the dump cylinder
- Slow bucket dumping
- Reduced dump cylinder force
- Bucket drifting during operation
- Internal hydraulic pressure bypass
- Difficulty maintaining bucket position
- Reduced hydraulic system efficiency
Cross-Reference Part Numbers
OEM Part Number: 707-99-73010
Compatible Models
Wheel Loaders: Komatsu WA420-1, WA450-1, WA470-1.
Fitment Note
Please verify the OEM part number, machine model, serial number and dump hydraulic cylinder assembly before ordering. Komatsu may use different hydraulic cylinder configurations depending on machine model, production series and serial number. Contact Imara Engineering Supplies if you require assistance confirming compatibility.
Technical Specifications
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