Buy 2018 Ford F-250 Super Duty 6.7L Power-Stroke V8 DIESEL A/T 4WD XLT Standard Cab Pickup Engine Switch, Symptoms, Don’t - OEM Ford Part # 9U2Z12A648A (9U2Z-12A648-A, E1AZ12A648A, F2AZ-12A648-A, F2AZ12A648A)

Temperature. Sensor. Coolant.
2 Round Pin Connector. Stamped #E1AF12A648AA. Stamped #E4AF12A648AA. Temperature Sensor for Engine Coolant. Under GVW 8,500 Lbs. Sending Unit. Switch. Engine. Sender Assembly.

Engine Coolant Temperature Sensor

Engine Coolant Temperature Sensor - Repair or Replace
If your engine coolant temperature sensor has failed, you may notice one of several symptoms: your temperature gauge doesn’t move, your engine overheats without warning, your radiator fans don’t switch on, or they don’t switch off. If your 2018 Ford F-250 Super Duty has any of these symptoms, it's a good idea to let a trained Ford technician perform an inspection.