VolvoElectrical Parts

22219281 — 24V Nox Sensor Voe22219281 22219281 5Wk96718B For Volvo Truck Fh4 Fm4

This 24V NOx sensor is an essential component of the exhaust aftertreatment system, measuring nitrogen oxide levels to optimize emissions control. It provides critical data to the engine control unit (ECU) for precise fuel injection and urea dosing adjustments. A malfunctioning sensor can lead to increased emissions, reduced fuel efficiency, and potential engine derating or warning lights.

24V Nox Sensor Voe22219281 22219281 5Wk96718B For Volvo Truck Fh4 Fm4 – Part No 22219281 – 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 TypeNOx Sensor
MaterialHigh-temperature resistant ceramic and metal alloys
ApplicationExhaust emissions control system
Service LifeTypically lasts 150,000 - 250,000 miles, replace as needed
CompatibilityOEM specification (5WK96718B)
ConditionNew — OEM specification aftermarket

Failure Symptoms

The initial symptom of a failing NOx sensor is often the illumination of the check engine or emissions warning light. If ignored, the system may enter a reduced power mode, and fuel efficiency can noticeably decrease. Prolonged operation with a faulty sensor can lead to excessive exhaust emissions and potential damage to other emissions control components.

Installation Tip

Ensure the exhaust system is cool before attempting removal to prevent burns. Do not overtighten the sensor during installation, as this can damage the threads or the sensor body.

Service Note

Inspect the exhaust system for leaks and clean or replace the DPF filter if emissions issues persist after sensor replacement.