Caterpillar CAT 41-5394 Coolant Temperature Sensor - Water Temperature Sensor for 330C 330B 320D Excavator
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| Product Type | Engine Coolant Temperature Sensor |
| Sensor Type | Electrical, Negative Temperature Coefficient (NTC) Thermistor |
| Shell Material | Brass |
| Thread Size | 3/4-16 UNF |
| Function | Monitor the engine coolant temperature and send the signal to the Engine Control Module (ECM) to optimize fuel injection timing and cooling fan control |
| Voltage | 5V Reference Voltage (typical ECM power supply) |
| Compatible Machine | Caterpillar 330C, 330B, 320D, 325C, 345D and other excavators, as well as 950G, 966G loaders |
| OEM Alternative Number | 41-5394, 4I-5394, 128-8945, 342-2924 |
| Condition | New, OEM Replacement Part |
Manufacturer No.
41-53944I-5394128-8945342-2924191-6587203-3219394-4837I057-A066
OEM Part No.
41-53944I-5394128-8945342-2924191-6587203-3219394-48373E-5370430-9449481-2112
Engine Part No.
C7C9311631963208
Interchange No.
41-53944153944I-5394CA4I5394128-89451288945CA1288945342-2924191-65871916587203-32192033219394-4837334229243E-5370430-94494309449481-2112
Fitment Vehicles
Caterpillar 330C ExcavatorCaterpillar 330B ExcavatorCaterpillar 330D ExcavatorCaterpillar 320D ExcavatorCaterpillar 325C ExcavatorCaterpillar 322C ExcavatorCaterpillar 345D ExcavatorCaterpillar 349D ExcavatorCaterpillar 950G LoaderCaterpillar 966G LoaderCaterpillar 312C ExcavatorCaterpillar 315C ExcavatorCaterpillar 318C ExcavatorCaterpillar 319C ExcavatorCaterpillar 320C ExcavatorCaterpillar E320B ExcavatorCaterpillar E330B ExcavatorCaterpillar E330C ExcavatorCaterpillar IT38G II Loader
Electrical and Electronic System - Industrial Encyclopedia
Professional replacement Caterpillar coolant temperature sensor, part number 41-5394 (4I-5394, 128-8945, 342-2924). Designed specifically for CAT 330C excavators, also compatible with 330B, 320D, 325C, 345D, 349D and 950G, 966G loaders. Features brass housing and sealed electrical connector for precise monitoring of engine coolant temperature, transmitting data to the ECU to optimize fuel efficiency and prevent overheating. Meets OEM specifications, ensuring long-term stable and reliable performance.