VolvoEngine Parts

20450685 — Water Temperature Sensor 20450685 21531072 For Volvo Engine D13 Excavator Ec290B Ec210B Ec140B Ec240B Truck Vnl Vnm Vah

This is a temperature sensor that monitors the engine coolant temperature and sends signals to the engine control unit (ECU) for optimal performance. It is manufactured to meet stringent Volvo quality standards, ensuring accurate readings unlike a worn sensor which can provide false or intermittent data. Operators may notice fluctuating temperature gauges, unexpected fan activation, or engine overheating warnings when this sensor fails.

Water Temperature Sensor 20450685 21531072 For Volvo Engine D13 Excavator Ec290B Ec210B Ec140B Ec240B Truck Vnl Vnm Vah – Part No 20450685 – Volvo Spare Part
Part Specifications
BrandVolvo
CategoryEngine 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

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeEngine Coolant Temperature Sensor
MaterialBrass, electronic components
ApplicationEngine cooling system
Service LifeReplace every 2,000 hrs or as needed
CompatibilityVolvo specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing temperature sensor may initially cause erratic readings on the temperature gauge or trigger intermittent warning lights. If left unaddressed, the engine control unit may receive incorrect data, leading to poor fuel economy or reduced engine power. Continued operation with a faulty sensor can result in inefficient combustion and potential engine damage due to overheating.

Installation Tip

Clean the sensor port thoroughly to ensure a proper seal and accurate temperature transfer. Avoid overtightening the sensor, as this can damage the threads or the sensor body.

Service Note

Inspect the engine coolant level and condition, and check the radiator and fan operation when replacing the temperature sensor.