Coolant temperature sensor 7861-93-1950 Komatsu for Komatsu D65PX-18
Sensor 7861-93-1950 (Komatsu) — original Coolant temperature sensor for heavy equipment Komatsu D65PX-18. OEM coolant temperature sensor 7861-93-1950 (Komatsu) for heavy equipment Komatsu D65PX-18. Voltage: 5V. Connector: 3-pin AMP.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 7861-93-1950 |
| Manufacturer | Komatsu |
| Sensor Type | Coolant temperature sensor |
| Voltage | 5V |
| Connector | 3-pin AMP |
| Thread | M14x1.5 |
| Equipment Brand | Komatsu |
| Model | D65PX-18 |
| Production Years | 2018–2025 |
Compatible Alternatives (2)
| Part Number | Manufacturer | Note |
|---|---|---|
TX49 | Standard | Coolant temperature sensor |
6PT009107 | Hella | Coolant temperature sensor |
Applicability
- Komatsu D65PX-18 2018–2025
Diagnostics and Replacement
When replacing sensor 7861-93-1950:
- Diagnostics — read fault codes before replacement, check wiring integrity.
- Torque — apply specified torque from service manual (typically 20–35 Nm).
- Sealant — use anaerobic sealant for threaded sensors.
- Reset — clear fault codes and verify system operation after installation.
FAQ
How to identify a faulty 7861-93-1950 sensor?
Symptoms: fault code, unstable engine operation, system emergency shutdown. Check resistance/voltage with a multimeter according to specification.
Can I replace with an aftermarket alternative?
Yes, using reputable brands (Bosch, Denso, Delphi) maintains quality and reliability.
Where to buy 7861-93-1950 or its alternative?
OEM — authorized dealers. Alternatives — specialized heavy equipment parts suppliers.
Where to Buy