Bucket Hydraulic Cylinder Seal Kit 707-99-72290 for Komatsu PC400LC-7 Excavator
Bucket Hydraulic Cylinder Seal Kit 707-99-72290 for Komatsu PC400LC-7 Excavator
Available in stock
Product Description
Part Name: Bucket Hydraulic Cylinder Seal Kit
Part Number(s): 707-99-72290
Brand Compatibility: Komatsu
Machine Type: Excavator
Component: Bucket Hydraulic Cylinder
Condition: Brand New
Shipping: Fast worldwide shipping with secure packaging and reliable international delivery within 2–7 business days.
The 707-99-72290 Bucket Hydraulic Cylinder Seal Kit is manufactured to OEM specifications for the bucket hydraulic cylinder fitted to the Komatsu PC400LC-7 excavator. This complete hydraulic cylinder overhaul kit includes precision-engineered rod seals, piston seals, wear rings, guide rings, backup rings, O-rings and dust seals designed to restore hydraulic sealing performance, eliminate hydraulic oil leakage and maintain optimum cylinder pressure. Manufactured from premium sealing materials, it delivers dependable performance in demanding construction, mining, quarrying and heavy earthmoving operations.
The bucket hydraulic cylinder controls the bucket's curling and dumping movements, providing the breakout force and precise bucket positioning required for excavation, trenching, loading and material handling. Continuous exposure to heavy digging loads, high hydraulic pressures and abrasive site conditions gradually wears the cylinder sealing components. Worn seals can lead to hydraulic oil leakage, reduced bucket breakout force, bucket drift, slow bucket response and internal hydraulic pressure bypass. Replacing the complete seal kit restores hydraulic efficiency, protects internal cylinder components and helps maximise excavator productivity while reducing maintenance downtime.
Typical Applications
Construction • Earthmoving • Mining • Quarrying • Heavy Excavation • Road Construction • Civil Infrastructure • Demolition • Material Handling
Common Symptoms
- Hydraulic oil leakage from the bucket cylinder
- Reduced bucket breakout force
- Bucket drifting during operation
- Slow bucket curl or dump movement
- Internal hydraulic pressure bypass
- Difficulty maintaining bucket position
- Reduced hydraulic system efficiency
Cross-Reference Part Numbers
OEM Part Number: 707-99-72290
Compatible Models
Excavators: Komatsu PC400LC-7.
Fitment Note
Please verify the OEM part number, machine model, serial number and bucket hydraulic cylinder assembly before ordering. Komatsu may use different bucket cylinder configurations depending on the machine configuration and production series. Contact Imara Engineering Supplies if you require assistance confirming compatibility.
Technical Specifications
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