CATEngine Parts

256-6454 Temperature Sensor Switch Temp Sender — Cat M313D M315D

This is a Temperature Sensor Switch, also known as a Temp Sender, designed to monitor and report the engine coolant temperature to the machine's control system or gauge. It is built to precise OEM standards, offering accurate readings unlike a faulty sensor that may provide erratic or incorrect data. Operators may notice inaccurate temperature readings on the dashboard, or the engine warning light may illuminate if this sensor fails.

Temperature Sensor Switch Temp Sender – Part No 256-6454 – CAT Spare Part
Part Specifications
BrandCAT
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 TypeTemperature Sensor Switch
MaterialBrass and electronic components
ApplicationEngine coolant temperature monitoring
Service LifeReplace as needed based on accuracy
CompatibilityCAT 256-6454
ConditionNew — OEM specification aftermarket

Failure Symptoms

An inaccurate or non-responsive temperature gauge is the primary symptom of a failing sensor. This can lead to the engine operating outside its optimal temperature range without the operator's knowledge, potentially causing reduced efficiency or increased wear. Ignoring these symptoms can result in undetected overheating or under-cooling, impacting engine longevity.

Installation Tip

Ensure the engine is cool before attempting removal to avoid burns and coolant spillage. Do not overtighten the sensor into the engine block, as this can damage the threads or the sensor itself.

Service Note

Inspect the wiring harness and connector for corrosion or damage when replacing the temperature sensor switch.