VolvoEngine Parts

14738250 Expansion Valve — Volvo FH12 FH16

This expansion valve is a critical component in the vehicle's air conditioning system, regulating the flow of refrigerant into the evaporator to control temperature. It is precision-engineered to maintain optimal cooling performance and system efficiency, unlike a clogged or malfunctioning valve. Operators may notice a significant reduction in cooling capacity, inconsistent cabin temperatures, or the AC system cycling on and off erratically when this valve fails.

Expansion Valve – Part No 14738250 – Volvo Spare Part
Part Specifications
BrandVolvo
CategoryEngine 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

Cross-reference part number with serial number before ordering to confirm fitment. Keep original parts until new ones are confirmed correct. Record part numbers replaced for future reference.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeExpansion Valve (TXV)
MaterialBrass, aluminum
ApplicationAir conditioning system
Service LifeReplace as needed based on AC performance
CompatibilityVolvo FH12, FH16, FH 420, FH 460, FH 500
ConditionNew — OEM specification aftermarket

Failure Symptoms

The most immediate symptom of a failing expansion valve is a significant drop in air conditioning performance, with the cabin failing to cool adequately. The system may also exhibit erratic temperature fluctuations or short-cycle frequently. If left unaddressed, the AC system may cease to function effectively, leading to discomfort for the operator and potential overheating issues in critical components.

Installation Tip

Ensure the AC system is properly evacuated of refrigerant before removing the old valve to comply with environmental regulations and safety standards. When installing, be careful not to damage the valve's sensing bulb or capillary tube.

Service Note

It is highly recommended to replace the receiver-drier and flush the AC system when replacing the expansion valve to ensure optimal performance and longevity.