Part Number: 256-6453 (OE#2566453)
Compatibility: Caterpillar heavy equipment, Class 8 trucks, John Deere agricultural machinery
Precision-engineered NTC thermistor for ±1°C accuracy
Dual-stage fail-safe protection system
IP67 waterproof rating with military-grade connector
Direct replacement for OEM 2566453 sensors
| Operating Range | -40°C to 150°C |
| Output Signal | 0-5V linear output |
| Thread Size | M12x1.5 brass fitting |
Symptoms: Erratic temperature gauge readings followed by engine derating
Diagnosis:
Check for DTC P0115 (Engine Coolant Temperature Circuit)
Measure sensor resistance at different temperatures
Inspect wiring harness for corrosion
Solution: Replace with genuine 2566453 sensor using anti-seize compound on threads
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