VolvoHydraulic Parts

YYBXLB00066 For Volvo Ec250D Main Pump Seal Kit — Volvo EC250D

This seal kit is essential for maintaining the integrity of the main hydraulic pump, preventing internal and external fluid leaks. It is manufactured to Volvo's high standards, ensuring a precise fit and durable sealing performance that surpasses worn or degraded seals. Operators might observe external hydraulic fluid leaks around the pump housing, a decrease in hydraulic system pressure, or a spongy feel to the controls.

For Volvo Ec250D Main Pump Seal Kit – Part No YYBXLB00066 – 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, PTFE
ApplicationMain Hydraulic Pump
Service LifeReplace when pump is serviced or shows signs of leakage
CompatibilityVolvo OE specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of failing seals in the main hydraulic pump is often external oil leakage from the pump housing. If left unaddressed, this can lead to a gradual loss of hydraulic pressure and performance, making the machine sluggish. Continued operation with leaking seals can result in significant hydraulic fluid loss and potential damage to the pump internals due to reduced lubrication.

Installation Tip

Ensure all sealing surfaces on the pump housing and shafts are meticulously cleaned and free of any nicks or burrs before installing the new seals. Lubricate the seals lightly with clean hydraulic fluid before insertion to prevent damage during installation.

Service Note

When replacing the pump seals, it is recommended to inspect the pump's internal components for wear and replace the hydraulic filter.