VolvoHydraulic Parts

YYBXLB00070 For Volvo Ec350D Main Pump Seal Kit — Volvo EC350D

This seal kit is designed to replace worn or leaking seals within the main hydraulic pump of Volvo construction equipment. It ensures the integrity of the hydraulic system by preventing fluid loss and contamination, maintaining optimal operating pressures. Failure of these seals typically manifests as external hydraulic fluid leaks around the pump housing or a noticeable decrease in hydraulic system performance and responsiveness.

For Volvo Ec350D Main Pump Seal Kit – Part No YYBXLB00070 – 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 Seal Kit
MaterialNBR rubber, steel, and other composite materials
ApplicationMain Hydraulic Pump
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Visible hydraulic fluid leaks originating from the main pump housing are the first indication of seal failure. If left unaddressed, these leaks will worsen, leading to a gradual loss of hydraulic power and slower implement operation. Continued operation with failing seals can result in internal pump damage and potential system contamination.

Installation Tip

Ensure the pump shaft and housing surfaces are meticulously clean and free of any debris before attempting to install the new seals. Avoid using excessive force or sharp tools, which can easily damage the delicate sealing lips.

Service Note

Inspect the hydraulic pump shaft for any signs of wear or scoring, and consider replacing the hydraulic fluid and filter if contamination is suspected.