CATElectrical Parts

34390-10800 Water Temperature Sensor — Cat Exacavator E320D

This is a Water Temperature Sensor designed to monitor the engine coolant temperature and transmit this critical data to the machine's control module. It is manufactured to precise specifications, ensuring accurate readings unlike a worn sensor that may provide false or delayed information. Operators may observe inaccurate temperature gauges, engine warning lights, or performance derates if this sensor fails.

Water Temperature Sensor – Part No 34390-10800 – CAT Spare Part
Part Specifications
BrandCAT
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 TypeWater Temperature Sensor
MaterialMetal, Plastic
ApplicationEngine Cooling System
Service LifeReplace every 2,000 hrs or as needed
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing water temperature sensor is often an inaccurate or fluctuating temperature gauge reading. If ignored, the engine control module may receive incorrect data, leading to improper fuel mixture or fan speed, potentially causing overheating or reduced power. This can result in increased wear on engine components.

Installation Tip

Ensure the engine is completely cool before attempting to remove the old sensor to avoid burns and coolant loss. Do not overtighten the new sensor, as this can damage the threads in the engine block or the sensor itself.

Service Note

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