Boom Cylinder Seal Kit 707-99-69520/7079969520 for Komatsu
Boom Cylinder Seal Kit 707-99-69520/7079969520 for Komatsu
Available in stock
Product Description
Part Name: Boom Cylinder Seal Kit
Part Number(s): 707-99-69520
Brand Compatibility: Komatsu
Machine Type: Construction Equipment
Component: Boom Hydraulic Cylinder
Condition: Brand New
Shipping: Fast worldwide shipping with secure packaging and reliable international delivery within 2–7 business days.
The 707-99-69520 Boom Cylinder Seal Kit is manufactured to OEM specifications for the boom 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 designed to restore hydraulic sealing performance, eliminate hydraulic oil leakage and maintain optimum cylinder pressure. Manufactured from premium sealing materials, it provides dependable sealing performance under the demanding conditions encountered in construction, mining, quarrying and heavy earthmoving operations.
The boom hydraulic cylinder supplies the lifting force required to raise and lower the excavator boom during excavation, trenching, loading and material handling. Continuous operation under high hydraulic pressures, heavy structural loads and abrasive site conditions gradually wears the cylinder sealing components. Worn seals can lead to hydraulic oil leakage, boom drift, reduced lifting capacity, slow boom movement and internal hydraulic pressure bypass. Replacing the complete seal kit restores hydraulic efficiency, protects internal cylinder components and helps maximise machine productivity while reducing costly downtime.
Typical Applications
Construction • Earthmoving • Mining • Quarrying • Civil Infrastructure • Road Construction • Heavy Excavation • Demolition • Material Handling
Common Symptoms
- Hydraulic oil leakage from the boom cylinder
- Boom drifting while raised
- Reduced lifting capacity
- Slow boom raising or lowering
- Internal hydraulic pressure bypass
- Difficulty maintaining boom position
- Reduced hydraulic system efficiency
Cross-Reference Part Numbers
OEM Part Number: 707-99-69520
Compatible Models
Construction Equipment: Compatible with selected Komatsu machines using OEM seal kit 707-99-69520.
Fitment Note
Please verify the OEM part number, machine model, serial number and boom hydraulic cylinder assembly before ordering. Komatsu may use different boom 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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