VolvoElectrical Parts

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

This A/C Control Unit Panel Combined Switch is integral to the climate control system in Volvo trucks, allowing the operator to manage temperature, fan speed, and air distribution. Built to Volvo's exacting standards, it provides precise control and long-term reliability, unlike a worn unit where buttons may stick or controls become unresponsive. Operators may experience a lack of heating or cooling, or an inability to adjust cabin temperature if this panel fails.

A/C Control Unit Panel Combined Switch 21318123 20508581 For Volvo Truck Fm Fh Fmx Nh Vnl – Part No 21318123 – 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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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 Panel Switch
MaterialABS Plastic, Electronic Components
ApplicationTruck cabin climate control
Service LifeReplace if controls become unresponsive or inaccurate
CompatibilityVolvo specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first indication of a faulty A/C control panel is often the inability to adjust temperature settings or fan speeds, or the controls may feel unresponsive. If left unaddressed, the operator will be unable to regulate the cabin environment, leading to discomfort and potential distraction. The risk is compromised driver performance due to extreme cabin temperatures.

Installation Tip

Carefully disconnect the electrical connectors, noting their positions, to avoid damaging the wiring harness. Ensure the new panel is firmly seated and all connectors are securely plugged in before reassembling the dashboard.

Service Note

Check the cabin air filter and the blower motor resistor for proper operation when servicing the A/C control panel.