CATEngine Parts

261-6849 Temperature Sensor — Cat 3512 3516

This is a high-accuracy temperature sensor designed to monitor the operating temperature of critical engine systems. It provides real-time data to the engine control module (ECM), allowing for adjustments to maintain optimal performance and prevent overheating. Manufactured to precise standards, it ensures reliable readings unlike a faulty sensor that may provide inaccurate or no data. Operators may observe incorrect temperature gauge readings, engine derating, or diagnostic trouble codes related to engine temperature when this sensor fails.

Temperature Sensor – Part No 261-6849 – 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
MaterialBrass housing, electronic sensing element
ApplicationEngine temperature monitoring
Service LifeReplace if readings are inaccurate or faulty
CompatibilityCAT Engine 3512, 3508B, 3516, Excavator 513
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first indication of a faulty temperature sensor might be an inaccurate reading on the temperature gauge or an engine warning light. If the issue persists, the engine control module may receive incorrect data, leading to improper fuel mixture or fan speed adjustments. Continued operation with a faulty sensor risks engine overheating and potential damage.

Installation Tip

Ensure the engine is completely cool before attempting to remove the old sensor to avoid burns. Apply a small amount of thread sealant to the threads of the new sensor, if recommended by the service manual, to ensure a proper seal.

Service Note

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