Hydraulic pressure sensor 281-4109 Caterpillar for Caterpillar 330D
Sensor 281-4109 (Caterpillar) — original Hydraulic pressure sensor for heavy equipment Caterpillar 330D. OEM hydraulic pressure sensor 281-4109 (Caterpillar) for heavy equipment Caterpillar 330D. Voltage: 5V. Connector: 3-pin Deutsch.
Specifiche tecniche
| Parameter | Value |
|---|---|
| Part Number | 281-4109 |
| Manufacturer | Caterpillar |
| Sensor Type | Hydraulic pressure sensor |
| Voltage | 5V |
| Connector | 3-pin Deutsch |
| Thread | M12x1.5 |
| Equipment Brand | Caterpillar |
| Model | 330D |
| Anni di produzione | 2005–2013 |
Compatible Alternatives (1)
| Part Number | Manufacturer | Note |
|---|---|---|
6PP009400 | Hella | Hydraulic pressure sensor |
Applicability
- Caterpillar 330D 2005–2013
Diagnostics and Replacement
When replacing sensor 281-4109:
- 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.
Domande frequenti
How to identify a faulty 281-4109 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 281-4109 or its alternative?
OEM — authorized dealers. Alternatives — specialized heavy equipment parts suppliers.
Dove acquistare