Arm Cylinder Seal Kit 707-99-69670/7079969670 for Komatsu
Arm Cylinder Seal Kit 707-99-69670/7079969670 for Komatsu
Available in stock
Product Description
Part Name: Arm Cylinder Seal Kit
Part Number(s): 707-99-69670
Brand Compatibility: Komatsu
Machine Type: Construction Equipment
Component: Arm (Stick) Hydraulic Cylinder
Condition: Brand New
Shipping: Fast worldwide shipping with secure packaging and reliable international delivery within 2–7 business days.
The 707-99-69670 Arm Cylinder Seal Kit is manufactured to OEM specifications for the arm (stick) hydraulic cylinder used on selected Komatsu construction equipment. This complete hydraulic cylinder overhaul kit includes precision-engineered rod seals, piston seals, wear rings, guide rings, backup rings, O-rings and dust seals engineered to restore hydraulic sealing performance, eliminate hydraulic oil leakage and maintain optimum cylinder pressure. Manufactured from premium sealing materials, it delivers reliable sealing performance in demanding construction, mining, quarrying and heavy earthmoving applications.
The arm hydraulic cylinder controls the extension and retraction of the excavator stick, providing the reach, digging force and precision required for excavation, trenching, grading and material handling operations. Continuous operation under high hydraulic pressures, heavy breakout forces and harsh working environments gradually wears the cylinder sealing components. Worn seals can lead to hydraulic oil leakage, stick drift, reduced digging force, slow arm response and internal hydraulic pressure bypass. Replacing the complete seal kit restores hydraulic efficiency, protects internal cylinder components and helps extend cylinder service life while minimising costly equipment downtime.
Typical Applications
Construction • Earthmoving • Mining • Quarrying • Civil Infrastructure • Road Construction • Heavy Excavation • Demolition • Material Handling
Common Symptoms
- Hydraulic oil leakage from the arm cylinder
- Stick drifting during operation
- Reduced digging force
- Slow arm extension or retraction
- Internal hydraulic pressure bypass
- Difficulty maintaining arm position
- Reduced hydraulic system efficiency
Cross-Reference Part Numbers
OEM Part Number: 707-99-69670
Compatible Models
Construction Equipment: Compatible with selected Komatsu machines using OEM seal kit 707-99-69670.
Fitment Note
Please verify the OEM part number, machine model, serial number and arm hydraulic cylinder assembly before ordering. Komatsu may use different arm cylinder configurations depending on the machine model, production series and serial number. Contact Imara Engineering Supplies if you require assistance confirming compatibility.
Technical Specifications
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Is there a warranty on products purchased from IMARA Engineering Supplies?
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Does IMARA Engineering Supplies offer international shipping?
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