VolvoElectrical Parts

8159907 — Ignition Switch 8159907 20398484 For Volvo Truck Fh Fm Nh12 Vah

This is an ignition switch that controls the electrical power to the vehicle's starting and accessory systems. It is constructed from durable materials to ensure consistent performance and longevity, unlike a worn switch that might feel loose or fail to make proper contact. Operators may experience problems starting the truck, or accessories like lights and radio not functioning when this switch is defective.

Ignition Switch 8159907 20398484 For Volvo Truck Fh Fm Nh12 Vah – Part No 8159907 – 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.

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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 TypeIgnition Switch
MaterialMetal, Plastic, Rubber
ApplicationTruck starting and electrical system control
Service LifeReplace every 5,000 hrs or 7 years
CompatibilityVolvo Truck FH, FM, NH12, VAH
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing ignition switch may initially cause the engine to crank slowly or intermittently fail to start. If the issue persists, the switch could prevent the engine from cranking at all, or cause dashboard warning lights and accessories to flicker or go out. This can lead to unexpected breakdowns and inability to operate the vehicle.

Installation Tip

Before removing the old switch, take a clear photograph of the wiring connections to aid in correct reassembly. Ensure the new switch is fully seated in the dashboard before tightening any retaining nuts.

Service Note

Check the condition of the battery cables and ground connections for any signs of corrosion or looseness.