4LE2 Engine Water Temperature Sensor Description
The MM432104 31351-32830 Water Temperature Sensor is designed for compatible Isuzu 4LE2 diesel engines. It detects coolant temperature and sends the corresponding electrical signal to the engine monitoring system or instrument panel.
The YNF18522 sensor helps operators monitor engine temperature, identify abnormal cooling conditions, and maintain stable diesel engine operation. Its durable housing, accurate connection design, and reliable signal output make it suitable for engine maintenance and cooling system repair.
MM432104 Water Temperature Sensor Technical Data Sheet
| Parameter |
Specification |
| YNF Part Number |
YNF18522 |
| Reference Part Number |
MM432104 |
| Alternative Part Number |
31351-32830 |
| Applicable Engine |
Isuzu 4LE2 Diesel Engine |
| Product Name |
Water Temperature Sensor |
| Product Type |
Engine Coolant Temperature Sensor |
| Function |
Coolant Temperature Detection |
| Signal Function |
Temperature Monitoring and Feedback |
| Installation Position |
Engine Cooling System |
| Electrical Connection |
Terminal Connection |
| Application |
Excavators and Construction Machinery |
| Quality Type |
Aftermarket Replacement |
| Condition |
New |
| Origin |
China |
| Brand |
YNF |
| MOQ |
1 Piece |
| Shipping Method |
Air, Sea, Express |
| Payment Terms |
T/T, PayPal, Western Union |
4LE2 Water Temperature Sensor Applications
| Application |
Description |
| Isuzu 4LE2 Diesel Engine |
Detects engine coolant operating temperature |
| Engine Cooling System |
Monitors temperature changes during operation |
| Excavator Engine System |
Sends coolant temperature signals to the monitoring system |
| Construction Machinery |
Supports stable diesel engine temperature control |
| Engine Electrical Repair |
Replaces faulty or unstable temperature sensors |
| Equipment Maintenance |
Helps restore accurate coolant temperature readings |
MM432104 31351-32830 Sensor Detail Display
FAQ
Q: What are the reference part numbers of this sensor?
A: The reference part numbers are MM432104 and 31351-32830.
Q: Which engine is this water temperature sensor suitable for?
A: It is designed for compatible Isuzu 4LE2 diesel engine applications.
Q: What does this sensor measure?
A: It measures engine coolant temperature and sends the resulting signal to the monitoring or control system.
Q: Is this an oil temperature sensor?
A: No. It is an engine coolant water temperature sensor installed in the cooling system.
Q: What are the symptoms of a faulty coolant temperature sensor?
A: Possible symptoms include inaccurate readings, warning lights, unstable temperature signals, fault codes, or abnormal cooling system operation.
Q: Is this product new or used?
A: It is a new aftermarket replacement sensor.
