OEM Part Number: 288-8390 / 2888390
This genuine Caterpillar temperature sensor is essential for:
Construction Machinery: Caterpillar excavators, Komatsu bulldozers
Heavy Trucks: Volvo semi-trucks, Freightliner haulers
Agricultural Equipment: John Deere harvesters, CNH tractors
Automotive Applications: Ford Super Duty, GM heavy-duty trucks
| Operating Temperature | -40°C to 150°C |
| Thread Size | M18 x 1.5 |
| Voltage Range | 12V/24V DC |
| Compatibility | CAT 330D/336D excavators, C7/C9 engines |
Symptom: Engine temperature warning with normal coolant level
Diagnosis: Faulty temperature sensor sending incorrect signals
Solution:
1. Test sensor resistance at different temperatures
2. Replace with genuine 288-8390 sensor
3. Reset ECU error codes
Result: Temperature readings restored to normal range within 15 minutes
As specialists in construction machinery parts and heavy truck components, we provide:
Direct OEM partnerships with Caterpillar, Komatsu, and Volvo
Global shipping through CGSC Supply Chain network
1-year warranty on all sensors and electronic components