Pressure sensor 7861-93-4130 Komatsu for Komatsu PC300-7
Sensor 7861-93-4130 (Komatsu) — original Pressure sensor for heavy equipment Komatsu PC300-7. OEM pressure sensor 7861-93-4130 (Komatsu) for heavy equipment Komatsu PC300-7. Voltage: 5V. Connector: 3-pin AMP.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 7861-93-4130 |
| Manufacturer | Komatsu |
| Sensor Type | Pressure sensor |
| Voltage | 5V |
| Connector | 3-pin AMP |
| Thread | M10x1.0 |
| Equipment Brand | Komatsu |
| Model | PC300-7 |
| Production Years | 2004–2012 |
Compatible Alternatives (1)
| Part Number | Manufacturer | Note |
|---|---|---|
PS10060 | Delphi | Pressure sensor |
Applicability
- Komatsu PC300-7 2004–2012
Diagnostics and Replacement
When replacing sensor 7861-93-4130:
- 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 7861-93-4130 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 7861-93-4130 or its alternative?
OEM — authorized dealers. Alternatives — specialized heavy equipment parts suppliers.
Where to Buy