CATEngine Parts

291-6570 Water Level Sensor — Cat 311F 312F

This water level sensor monitors the coolant level within the engine's cooling system, alerting the operator to low coolant conditions. Constructed with durable materials and precise sensing elements, it provides accurate level detection, unlike a faulty sensor that may fail to signal a critical low level. Operators may notice the coolant level warning light illuminating intermittently or not at all, even when the coolant is low, if this sensor malfunctions.

Water Level Sensor – Part No 291-6570 – 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 TypeWater Level Sensor
MaterialPlastic, brass, electronic components
ApplicationEngine coolant level monitoring
Service LifeReplace as needed, typically during cooling system maintenance
CompatibilityCAT C3.4B, C4.4, C6.6 engines; 311F, 312F, 313
ConditionNew — OEM specification aftermarket

Failure Symptoms

The most common symptom of a failing water level sensor is an inaccurate or non-functional coolant level warning light. The light may illuminate when the coolant is full, or fail to illuminate when the coolant is critically low. Ignoring a consistently low coolant level, even without a warning, can lead to engine overheating and severe damage to the cooling system components.

Installation Tip

Ensure the cooling system is completely cool before attempting to remove or install the sensor to prevent injury from hot coolant. Make sure the sensor is properly seated and tightened to prevent leaks.

Service Note

When replacing the water level sensor, it is advisable to check the overall condition of the radiator cap and hoses for any signs of wear or leakage.