VolvoHydraulic Parts

3803717 — Cylinder Block Assembly Sa3803717 For Volvo Excavator Ec360 Ec460

This is a robust cylinder block assembly, also known as a barrel, for the hydraulic system of Volvo EC360 and EC460 excavators. It forms the main housing for the pistons and is critical for generating hydraulic power. Manufactured to precise specifications, it ensures smooth piston movement and optimal hydraulic efficiency, differing from a worn block with scoring or ovality. Operators may experience a noticeable loss of hydraulic power, erratic cylinder movement, or internal leakage within the hydraulic pump when this component fails.

Cylinder Block Assembly Sa3803717 For Volvo Excavator Ec360 Ec460 – Part No 3803717 – 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 Cylinder Block Assembly
MaterialHardened steel alloy
ApplicationMain hydraulic pump
Service LifeReplace as needed based on inspection
CompatibilityVolvo specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early signs of a failing cylinder block include a reduction in overall hydraulic system pressure and inconsistent pump output. If the issue progresses, internal leakage will increase, leading to sluggish operation and potential overheating of the hydraulic fluid. Continued use with a damaged block can cause severe wear on other pump components, leading to pump failure and costly repairs.

Installation Tip

Ensure the cylinder block mating surfaces are perfectly clean and free of any burrs or debris before assembly to prevent internal leakage. Do not mix or reuse old piston shoes with the new cylinder block; always use new, matched components.

Service Note

When replacing the cylinder block assembly, it is essential to replace the piston shoes, valve plate, and all associated seals.