CATElectrical Parts

2457831 Sensor As- Temperature — Cat 307D 311D LRR

This temperature sensor assembly is essential for monitoring and regulating the engine's operating temperature, feeding critical data to the control module. It is manufactured to meet precise OEM specifications, ensuring accurate temperature readings unlike a worn sensor that may provide delayed or incorrect information. Operators might observe fluctuating temperature gauge readings, unexpected fan operation, or engine overheating warnings.

Sensor As- Temperature – Part No 2457831 – 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 TypeTemperature Sensor Assembly
MaterialMetal, plastic, electronic components
ApplicationEngine cooling system
Service LifeReplace as needed based on diagnostic testing
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a faulty temperature sensor may be an inaccurate or fluctuating temperature gauge reading on the operator's panel. If the sensor fails completely, the engine control module may not receive temperature data, potentially leading to overheating or improper fan operation, which can cause engine damage. This poses a risk to the engine's longevity and performance.

Installation Tip

Ensure the sensor threads are clean and apply a small amount of thread sealant if recommended by the service manual to prevent leaks. Do not overtighten the sensor, as this can damage the engine block threads or the sensor itself.

Service Note

Inspect the radiator, thermostat, and water pump for proper operation and wear when replacing the engine temperature sensor.