C4954905 coolant temperature sensor is a vital electronic sensing part designed for ISD4.5 diesel engines. It detects real-time coolant temperature and transmits accurate signal data to the engine ECU. The ECU adjusts fuel injection and fan operation accordingly, preventing engine overheating or low-temperature abnormal combustion, maintaining stable engine working status and avoiding thermal damage to engine assemblies. Key features: High precision temperature sensing chip, fast signal response, stable performance under harsh vibration, waterproof housing, anti-corrosion metal probe, direct plug-and-play installation, OEM matching specification.
| Parameter | Specification |
|---|---|
| OEM Part No. | C4954905 |
| Product Type | Coolant Temperature Sensor |
| Application | Engine Cooling System |
| Compatible Engine | ISD4.5 |
| MOQ | 1 Piece |
| Unit Price | Negotiable |
Applicable Equipment: Medium-duty commercial vehicles fitted with ISD4.5 diesel engine.




FAQ
Q1: What function does C4954905 coolant temperature sensor perform?
A1: It monitors coolant temperature and sends data to ECU to control engine thermal management.
Q2: What symptoms indicate a failed coolant temperature sensor?
A2: Inaccurate temperature gauge, abnormal fan running or increased fuel consumption may occur.
Q3: Can I install this sensor without modifying the original wiring harness?
A3: Yes, it adopts original plug design for direct installation without wire modification.