Hydraulic pressure sensor 274-4289 Caterpillar for Caterpillar 966H
Sensor 274-4289 (Caterpillar) — original Hydraulic pressure sensor for heavy equipment Caterpillar 966H. OEM hydraulic pressure sensor 274-4289 (Caterpillar) for heavy equipment Caterpillar 966H. Voltage: 5V. Connector: 3-pin Deutsch.
Especificaciones tecnicas
| Parameter | Value |
|---|---|
| Part Number | 274-4289 |
| Manufacturer | Caterpillar |
| Sensor Type | Hydraulic pressure sensor |
| Voltage | 5V |
| Connector | 3-pin Deutsch |
| Thread | M14x1.5 |
| Equipment Brand | Caterpillar |
| Model | 966H |
| Anos de produccion | 2007–2014 |
Compatible Alternatives (1)
| Part Number | Manufacturer | Note |
|---|---|---|
6PP009400 | Hella | Hydraulic pressure sensor |
Applicability
- Caterpillar 966H 2007–2014
Diagnostics and Replacement
When replacing sensor 274-4289:
- 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.
Preguntas frecuentes
How to identify a faulty 274-4289 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 274-4289 or its alternative?
OEM — authorized dealers. Alternatives — specialized heavy equipment parts suppliers.
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