VolvoHydraulic Parts

11804378 — Hydraulic Pump 11804378 For Volvo Excavator Ecr48C Ec45

This hydraulic pump is a critical component for the main hydraulic system in Volvo compact excavators, responsible for generating the flow and pressure needed for boom, stick, and bucket movements. Constructed from durable materials with precision tolerances, it offers reliable performance and a longer service life than a worn pump that exhibits reduced hydraulic output. Operators may experience slow or unresponsive hydraulic functions, a loss of lifting capacity, or unusual noises from the hydraulic system when this pump begins to fail.

Hydraulic Pump 11804378 For Volvo Excavator Ecr48C Ec45 – Part No 11804378 – 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 Pump
MaterialCast iron and hardened steel
ApplicationMain hydraulic system
Service LifeReplace every 3,000 hours or as performance degrades
CompatibilityVolvo 11804378
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first indication of a failing pump is often a noticeable decrease in the speed and power of hydraulic functions. If not addressed, this can progress to intermittent loss of hydraulic pressure, making the machine difficult to operate. The ultimate consequence is the inability to perform essential work, leading to costly downtime and potential damage to other hydraulic system components.

Installation Tip

Ensure the hydraulic system is thoroughly flushed to remove any debris before installing the new pump to prevent contamination. Never run the pump dry; always ensure it is adequately primed with hydraulic fluid.

Service Note

Replace the hydraulic filter and inspect the hydraulic fluid for metal particles or signs of degradation.