VolvoElectrical Parts

20508581 — A/C Control Unit Panel Combined Switch 21318123 20508581 For Volvo Truck Fm Fh Fmx Nh Vnl

This is an A/C control unit panel combined switch that manages the climate control system functions for the vehicle's cabin. It is built to Volvo's exacting standards, providing reliable and responsive control compared to a worn unit with intermittent functionality. Operators may experience a complete loss of A/C control, non-responsive buttons, or incorrect climate settings if this switch fails.

A/C Control Unit Panel Combined Switch 21318123 20508581 For Volvo Truck Fm Fh Fmx Nh Vnl – Part No 20508581 – Volvo Spare Part
Part Specifications
BrandVolvo
CategoryElectrical 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.

WhatsApp for Price & Availability☎ Call Mumbai Office

Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

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YUFP2110003
Induction Sensor 11039662 For Volvo Wheel Loader L90D L120D L150D L
LXFP210309HFP2100309
Pressure Sensor 22329559 22422785 21097978 20450639 For Volvo Truck D1
ELHD46647290-2
Oil Sender Switch Voe25421717 25421717 For Volvo
20526766
Wheel Speed Sensor 20526766 For Volvo Fh12 Fh16 Fm9 Fm12 Truck
14529294
Switch
FPPX2507252
Coolant Recovery Overflow Reservoir Expansion Tank With Pressurized Ca

Browse all Volvo Electrical Parts →

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Installation & Application Notes

Disconnect main battery before working on electrical components. Use dielectric grease on all connector pins. Check ground connections — most electrical faults trace to poor grounds. Test with multimeter before installing new parts.

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

Part TypeA/C Control Unit Panel Combined Switch
MaterialPlastic, electronic components
ApplicationHVAC control system
Service LifeReplace as needed based on functionality
CompatibilityVolvo specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The initial symptom of a failing A/C control unit is often unresponsive buttons or erratic fan speed control. If ignored, the climate control system may cease to function entirely, leading to discomfort in extreme temperatures. The worst consequence is the inability to defrost or defog windows, compromising visibility and safety.

Installation Tip

Ensure the vehicle's battery is disconnected before attempting removal or installation to prevent electrical damage. Take care not to scratch the surrounding dashboard trim during removal and installation.

Service Note

Check the cabin air filter and the A/C system's refrigerant charge level during replacement.