CATCooling System

1m7573 4H7500, 9H8382 — Cat 320C 320D

This is a CTP aftermarket replacement for Caterpillar part numbers 4H7500 and 9H8382, serving as a critical cooling system component. It is engineered to meet OEM performance specifications, ensuring effective heat management for the engine. Operators may notice a rapid increase in engine coolant temperature, visible coolant leaks, or steam from the engine compartment when this component fails.

4H7500, 9H8382 – Part No 1m7573 – 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
MaterialAluminum
ApplicationEngine cooling system
Service LifeReplace as needed based on inspection
CompatibilityCaterpillar 4H7500, 9H8382
ConditionNew — CTP aftermarket replacement

Failure Symptoms

The first sign of failure is often an elevated engine coolant temperature gauge reading. If not addressed, this can lead to overheating, causing potential damage to engine seals and gaskets. Continued operation under high temperatures risks severe internal engine damage.

Installation Tip

Before installation, ensure all mating surfaces are meticulously clean to guarantee a perfect seal and prevent leaks. Avoid overtightening hose clamps, as this can damage the component's connection points.

Service Note

Inspect the radiator, water pump, and thermostat for any signs of wear or malfunction during the replacement process.