VolvoElectrical Parts

23539939 — Level Sensor 23539939 For Volvo Def Tank

This level sensor is designed to accurately monitor the fluid level within the Volvo Diesel Exhaust Fluid (DEF) tank, ensuring the emissions control system operates correctly. Manufactured to precise specifications, it provides reliable readings and a longer service life than a worn sensor that may give intermittent or false readings. Operators may notice a DEF system warning light, inaccurate DEF level display, or reduced engine power if the sensor fails.

Level Sensor 23539939 For Volvo Def Tank – Part No 23539939 – 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 TypeLevel Sensor
MaterialPlastic, Stainless Steel
ApplicationDEF Tank Level Monitoring
Service LifeReplace as needed, typically 5-7 years
CompatibilityVolvo specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

An inaccurate or fluctuating DEF level gauge is often the first indication of a faulty level sensor. If ignored, the system may not accurately report low DEF levels, potentially leading to engine derating or shutdown. The worst consequence is the inability to operate the vehicle due to emissions system compliance failure.

Installation Tip

Ensure the new sensor's O-ring seal is properly seated and lubricated before installation to prevent leaks. Avoid dropping the sensor or applying excessive force during installation, which could damage its delicate components.

Service Note

Inspect the DEF tank for contamination and clean if necessary before installing the new level sensor.