VolvoElectrical Parts

21834302 — Def Level Sensor 22432646 21636394 21834302 21866608 21906237 22015705 22021891 For Volvo Truck Vnl

This is a DEF level sensor that monitors the AdBlue fluid level within the vehicle's selective catalytic reduction (SCR) system. It ensures the system has sufficient diesel exhaust fluid to effectively reduce NOx emissions. A failing sensor may provide inaccurate readings, leading to potential system derating or warning lights.

Def Level Sensor 22432646 21636394 21834302 21866608 21906237 22015705 22021891 For Volvo Truck Vnl – Part No 21834302 – 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 TypeDiesel Exhaust Fluid (DEF) Level Sensor
MaterialPlastic, Brass, Electronics
ApplicationDiesel Exhaust Fluid (DEF) Tank
Service LifeReplace as needed based on diagnostic codes
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

An inaccurate or absent DEF level reading on the dashboard is the first sign. If ignored, the system may not properly dose DEF, leading to increased emissions and potential engine derating. The ultimate consequence is the inability to operate the vehicle legally due to emissions non-compliance.

Installation Tip

Ensure the DEF tank is clean before installation to prevent debris from interfering with the sensor's operation. Do not overtighten the sensor during installation, as this can damage the tank or the sensor's seal.

Service Note

Inspect the DEF tank for any contamination or sediment that could affect sensor performance or future operation.