Bucket Cylinder Seal Kit 707-99-67010 for Komatsu PC400 PC450
Bucket Cylinder Seal Kit 707-99-67010 for Komatsu PC400 PC450
Available in stock
Product Description
Part Name: Bucket Cylinder Seal Kit
Part Number(s): 707-99-67010
Brand Compatibility: Komatsu
Machine Type: Hydraulic Excavator
Component: Bucket Hydraulic Cylinder
Cylinder Reference: 208-63-02130
Condition: Brand New
Shipping: Fast worldwide shipping with secure packaging and reliable international delivery within 2–7 business days.
The 707-99-67010 Bucket Cylinder Seal Kit is manufactured to OEM specifications for the bucket hydraulic cylinder fitted to selected Komatsu PC400-5, PC400LC-5, PC450-6 and PC450LC-6 excavators. Designed for cylinder assembly 208-63-02130, this complete overhaul kit contains the precision seals, wear rings, backup rings and O-rings required to restore hydraulic sealing, maintain cylinder pressure and eliminate internal and external oil leakage during heavy excavation operations. The kit is designed for cylinders with a 110 mm piston rod and 160 mm bore.
The bucket cylinder delivers the breakout force required for digging, trenching, loading and material handling. Continuous operation under high hydraulic pressure, abrasive contamination and repeated shock loading gradually wears the sealing elements, resulting in oil leakage, bucket drift and reduced digging performance. Installing a complete seal kit during cylinder overhaul restores hydraulic efficiency, protects the cylinder barrel and piston rod from premature wear and helps maximise machine productivity while reducing unplanned downtime.
Typical Applications
Construction • Earthmoving • Mining • Quarrying • Road Construction • Civil Infrastructure • Demolition • Heavy Excavation • Material Handling
Common Symptoms
- Hydraulic oil leakage from the bucket cylinder
- Bucket slowly curls or uncurls under load
- Reduced bucket breakout force
- Slow bucket response
- Difficulty maintaining bucket position
- Internal cylinder bypass causing loss of hydraulic pressure
- Contaminated hydraulic system due to worn seals
Cross-Reference Part Numbers
OEM Part Number: 707-99-67010
Verified Aftermarket Cross Reference: HYI40-0453
Cylinder Assembly Reference: 208-63-02130
Compatible Models
Hydraulic Excavators: Komatsu PC400-5, PC400LC-5, PC450-6 and PC450LC-6.
Fitment Note
Please verify the OEM part number, machine model, serial number and bucket cylinder assembly (208-63-02130) before ordering. Komatsu may use different hydraulic cylinders depending on machine serial number, production series and regional specification. Contact Imara Engineering Supplies if you require assistance confirming compatibility.
Technical Specifications
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