VolvoHydraulic Parts

21022032 — Overflow Valve 21458307 21022032 For Volvo Truck Fh Fh4 Fm Prevh Bus B11R B13R

This is an overflow valve, critical for regulating hydraulic system pressure in Volvo trucks and buses. It is engineered to precise specifications, ensuring it opens and closes at the correct pressure thresholds to protect components from over-pressurization, unlike a worn valve that may stick open or closed. Operators might observe erratic transmission shifting, inconsistent braking performance, or a general lack of hydraulic power when this valve malfunctions.

Overflow Valve 21458307 21022032 For Volvo Truck Fh Fh4 Fm Prevh Bus B11R B13R – Part No 21022032 – 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 Overflow Valve
MaterialHardened steel and brass
ApplicationHydraulic system pressure regulation
Service LifeReplace based on system diagnostics or performance issues
CompatibilityVolvo OE 21458307
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing overflow valve may initially cause a slight increase in system noise or a subtle change in hydraulic system response. If left unaddressed, it can lead to sustained over-pressurization, potentially damaging seals and hoses, or a complete loss of system pressure, rendering critical functions inoperable.

Installation Tip

Ensure the hydraulic system is properly depressurized before attempting removal and installation. Avoid overtightening the valve, as this can damage the threads or the valve seat.

Service Note

Inspect the hydraulic fluid for signs of contamination and check the system's relief pressure settings after installation.