| Brand | Part Number |
|---|---|
| COGENG | 7861-92-3380, 7861923380 |
| Komatsu | 7861-92-3380, 7861923380 |
| Interchange | 7861-92-3381, 7861-92-3382, 600-825-1510 |
| NO | Number | Name | Qty |
| 1 | 203-977-4130 | VALVE | 1 |
| 2 | 6732-11-6110 | ADAPTER | 1 |
| 3 | 7861-92-3380 | SENSOR,WATER TEMPERATURE | 1 |
| 4 | 6162-73-8270 | PLUG | 1 |
| 5 | 08053-01510 | CLIP | 1 |
| 6 | 08036-10610 | CLIP | 1 |
| 7 | 01435-20816 | BOLT | 1 |
Q: What Komatsu models use the 7861-92-3380 engine coolant temperature sensor?
A: The COGENG 7861-92-3380 engine coolant temperature sensor is a direct OEM replacement designed for various Komatsu excavators, dozers, wheel loaders, and other heavy equipment models where this part number is specified. Always verify this part number against your machine's parts manual or the original sensor's identification markings to confirm exact compatibility before ordering.
Q: What are the symptoms of a failing engine coolant temperature sensor?
A: Common symptoms include inaccurate or erratic temperature gauge readings, false overheat warnings on the monitor panel, the engine cooling fan running constantly or not engaging when needed, hard starting when cold or hot, poor fuel economy, black smoke from the exhaust, and the engine control unit defaulting to a failsafe mode. A faulty sensor can also fail to trigger critical overheat protection, potentially leading to severe engine damage.
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