VolvoHydraulic Parts

14557639 — Relief Valve 14557639 For Volvo Excavator Ec160B Ec180B Ec210B Ec240B

This is a relief valve, a critical component in Volvo excavator hydraulic systems that regulates and limits system pressure. It is constructed from hardened steel to withstand high pressures and prevent premature wear, ensuring consistent operation unlike a worn valve that may stick or leak. Operators may notice a loss of hydraulic power, erratic boom or bucket movements, or a whining noise from the hydraulic pump when this valve fails.

Relief Valve 14557639 For Volvo Excavator Ec160B Ec180B Ec210B Ec240B – Part No 14557639 – 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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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 Relief Valve
MaterialHardened steel
ApplicationVolvo excavator hydraulic system pressure regulation
Service LifeReplace as needed based on inspection
CompatibilityVolvo EC160B, EC180B, EC210B, EC240B
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing relief valve may initially cause intermittent sluggishness in hydraulic functions. If left unaddressed, the excavator will experience a consistent loss of power and potentially erratic movements. The worst consequence is damage to the hydraulic pump or other system components due to prolonged over-pressurization.

Installation Tip

Ensure the hydraulic system is properly depressurized before attempting removal and installation. Do not interchange seals or O-rings from other kits, as precise sealing is critical for valve function.

Service Note

Inspect the hydraulic fluid and filter for debris, as contamination can cause relief valve malfunction.