CATCooling System

4n8559 Cooling Component — Cat 3406 3408

This cooling component is essential for regulating the engine's operating temperature by controlling the flow of coolant through the radiator. Manufactured to meet high-quality standards, it ensures consistent temperature regulation, unlike a worn part that may fail to open or close properly. Operators might observe the engine running too hot or too cold, or experience a lack of heat in the cabin if this component malfunctions.

Cooling Component – Part No 4n8559 – CAT Spare Part
Part Specifications
BrandCAT
CategoryCooling System
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

Flush cooling system with distilled water before refilling. Use pre-mixed coolant — never plain water, which causes corrosion. Pressure-test system after any cooling repair. Check thermostat by immersing in hot water — should open at rated temperature.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeCooling Component
MaterialMetal, Rubber
ApplicationEngine cooling system
Service LifeReplace every 2,000 hrs or as needed
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing cooling component may first manifest as inconsistent engine temperatures, with the gauge fluctuating or staying outside the normal range. If it fails to open, the engine will rapidly overheat, potentially causing severe internal damage. If it fails to close, the engine may run too cool, leading to reduced efficiency and increased wear.

Installation Tip

Ensure the engine block's coolant passages are clean and free of any scale or debris before installing the new component. Always use a new gasket and ensure it is properly seated to prevent leaks.

Service Note

When replacing this cooling component, it is recommended to inspect the radiator cap and hoses for any signs of wear or damage.