VolvoHydraulic Parts

VOE14589139 — Boom Cylinder Seal Kit Voe14589139 For Volvo Excavator Ec330C Ec340D Ec350E Ec360B Ec380D Ec380E

This Boom Cylinder Seal Kit provides all the necessary seals and O-rings to rebuild a hydraulic boom cylinder, essential for lifting and positioning the excavator boom. It is manufactured from high-quality materials to withstand high pressures and harsh operating conditions, ensuring a leak-free seal unlike worn or damaged seals. Operators may notice hydraulic fluid leaks from the cylinder rod, slow boom operation, or a tendency for the boom to drift downwards when this kit is needed.

Boom Cylinder Seal Kit Voe14589139 For Volvo Excavator Ec330C Ec340D Ec350E Ec360B Ec380D Ec380E – Part No VOE14589139 – Volvo Spare Part
Part Specifications
BrandVolvo
CategoryHydraulic Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

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Installation & Application Notes

Flush hydraulic lines before fitting new components. Use only manufacturer-specified hydraulic fluid. Check O-rings and backup rings for correct orientation. Bleed air from system after installation.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeHydraulic Cylinder Seal Kit
MaterialNBR rubber, PTFE, and metal components
ApplicationExcavator boom cylinder
Service LifeReplace as needed based on leakage or performance
CompatibilityVolvo 14589139, VOE14589139
ConditionNew — OEM specification aftermarket

Failure Symptoms

Visible hydraulic fluid leaks from the boom cylinder rod or casing are the most common initial sign of seal failure. If ignored, the cylinder may lose pressure, resulting in slow or weak boom movement and a tendency for the boom to drift down under load. This can compromise the operator's ability to precisely control the boom, affecting digging efficiency and potentially causing instability.

Installation Tip

Thoroughly clean the cylinder bore and rod before installing new seals to prevent damage from debris. Ensure all seals are lubricated with appropriate hydraulic fluid or assembly lube before insertion to prevent tearing.

Service Note

Inspect the cylinder rod for scoring or damage, and check the piston and gland for wear that could compromise the new seals' effectiveness.