KomatsuCooling System

2J1737 Aftercooler Connections Group — Komatsu 117 163

OEM-specification Komatsu Cooling Component. Part number 2J1737. Compatible with 117, 163, 1676, 183B, 215, 215B, 623, 651, 657, 814, 814s, 815, 950, 977H, 977K, 980, 980B, 983, 992, D25C, D30C, D334, D336, D342C, D343, D350C, D353C, D35C, D35HP, D379, D379A, D379B, D398, D398A.

Aftercooler Connections Group – Part No 2J1737 – Komatsu Spare Part
Part Specifications
BrandKomatsu
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.