CATCooling System

1m7567 1M8042 — Cat 320C 320D

This component is a critical part of the engine's cooling system, designed to regulate coolant flow and maintain optimal operating temperatures. Manufactured to meet high quality standards, it offers reliable performance and durability comparable to original equipment. Operators may notice inconsistent engine temperature readings or prolonged warm-up times when this part begins to fail.

1M8042 – Part No 1m7567 – 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 TypeThermostat Assembly
MaterialMetal and composite
ApplicationEngine cooling system
Service LifeReplace every 2,000 hrs or annually
CompatibilityCaterpillar 320C, 320D, 323D, 325D, 329E
ConditionNew — Aftermarket replacement

Failure Symptoms

Early symptoms of a failing thermostat include the engine taking an unusually long time to reach operating temperature or the temperature gauge fluctuating significantly. If the thermostat sticks closed, it will cause rapid and severe engine overheating; if it sticks open, the engine may run too cool, reducing efficiency. Persistent improper temperature regulation can lead to increased wear and reduced engine performance.

Installation Tip

Ensure the thermostat is installed in the correct orientation, with the spring side facing the engine block, to allow proper coolant flow. Do not reuse the old gasket; always install a new one with the new thermostat.

Service Note

Inspect the coolant hoses for any signs of swelling or cracking, and check the radiator for debris or leaks.