VolvoHydraulic Parts

YYBXLB00069 For Volvo Ec300D Main Pump Seal Kit — Volvo EC300D

This seal kit is engineered to replace worn seals in the main hydraulic pump of Volvo EC300D excavators, ensuring efficient power transfer and preventing internal leakage. It is constructed from high-quality materials that meet or exceed OEM specifications, offering superior resistance to wear and hydraulic fluid degradation compared to compromised original seals. Operators may observe a decrease in overall hydraulic system performance, such as slower implement speeds or reduced breakout force, indicating a failing main pump seal kit.

For Volvo Ec300D Main Pump Seal Kit – Part No YYBXLB00069 – 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, metal
ApplicationMain Hydraulic Pump
Service LifeReplace as needed based on inspection
CompatibilityVolvo specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing main pump seal kit may initially manifest as a slight reduction in hydraulic system responsiveness or increased pump noise. If left unaddressed, internal leakage will worsen, leading to a significant loss of pump efficiency and potentially overheating. Continued operation risks severe damage to the hydraulic pump and other critical system components.

Installation Tip

Carefully inspect the pump shaft and housing for any imperfections that could damage the new seals during installation. Ensure all mating surfaces are clean and free of old seal material.

Service Note

It is recommended to inspect the hydraulic fluid for contamination and consider replacing the hydraulic filter when servicing the main pump seals.