CATCooling System

6n6423 6N6424 — Cat Caterpillar 320C 320D

OEM-specification CAT 6N6424. CTP aftermarket replacement. Part number 6n6423. Compatible with Caterpillar 320C, 320D, 323D, 325D, 329E, 330C, 330D, 335F, 336D, 336E, 340F, 349E excavators; D6N, D6T, D7E, D8T, D9T dozers; 966K, 972K wheel loaders; 3054, 3056, 3066, 3116, 3126, 3176, 3208, 3306, 3406

6N6424 – Part No 6n6423 – 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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Full shipping information on regional pages · Air freight 2–12 days · GST invoice for India

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.