Oil pressure sensor 7861-93-3390 Komatsu for Komatsu PC128UU-1
Sensor 7861-93-3390 (Komatsu) — original Oil pressure sensor for heavy equipment Komatsu PC128UU-1. OEM oil pressure sensor 7861-93-3390 (Komatsu) for heavy equipment Komatsu PC128UU-1. Voltage: 5V. Connector: 3-pin AMP.
Teknik Ozellikler
| Parameter | Value |
|---|---|
| Part Number | 7861-93-3390 |
| Manufacturer | Komatsu |
| Sensor Type | Oil pressure sensor |
| Voltage | 5V |
| Connector | 3-pin AMP |
| Thread | M10x1.0 |
| Equipment Brand | Komatsu |
| Model | PC128UU-1 |
| Uretim Yillari | 2003–2010 |
Compatible Alternatives (2)
| Part Number | Manufacturer | Note |
|---|---|---|
PS12010 | Delphi | Oil pressure sensor |
APS020 | Standard | Oil pressure sensor |
Applicability
- Komatsu PC128UU-1 2003–2010
Diagnostics and Replacement
When replacing sensor 7861-93-3390:
- 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.
Sikca sorulan sorular
How to identify a faulty 7861-93-3390 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 7861-93-3390 or its alternative?
OEM — authorized dealers. Alternatives — specialized heavy equipment parts suppliers.
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