How to service the Coolant Temperature Sensor/Switch for the computer on Mercury Mountaineer?

Service of the Coolant Temperature Sensor/Switch for computer requires disconnecting the ground cable from the battery then draining the cooling system fluid. First, disconnect the electrical connector from the ECT sensor and then uninstall the retaining clip before removing the ECT sensor. To install this component follow the opposite steps of removal.

OEM Mercury Mountaineer Coolant Temperature Sensor

Coolant Water Temperature Sensor

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4 Coolant Temperature Sensors found

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Mercury Mountaineer Coolant Temperature Sensor
Part Number: 3F1Z-12A648-A
$23.00 MSRP: $36.53
You Save: $13.53 (38%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Sender Assembly; Engine Coolant Temperature Sensor; Air Temperature Sensor; HVAC System Switch; Temperature Sensor; Temperature Switch; Level Sensor; Temperature Sending Unit; Temperature Gauge Sending Unit; Sensor
- Replaces: F5AZ-12A648-AB, F5AZ-12A648-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2010, 1997-2001 Mercury Mountaineer | Base, Luxury, Premier | 8 Cyl 4.6 L GAS, 8 Cyl 5.0 L GAS
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Mercury Mountaineer Coolant Temperature Sensor
Part Number: F8CZ-12A648-B
$30.10 MSRP: $47.80
You Save: $17.70 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sender Assembly; Engine Coolant Temperature Sensor; Temperature Sensor
- Replaces: F77Z-12A648-AA, F8CZ-12A648-AA, DY-824
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2004, 1998-2000 Mercury Mountaineer | Base, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Mountaineer Coolant Temperature Sensor
Part Number: 3L8Z-12A648-A
$29.78 MSRP: $47.29
You Save: $17.51 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sender Assembly; Engine Coolant Temperature Sensor; Temperature Sensor; Temperature Switch; Sensor
- Replaces: 3L8Z-12A648-BA, DY-1004
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001-2010 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Mountaineer Temperature Sensor
Part Number: F7DZ-10884-AA
$15.63 MSRP: $25.22
You Save: $9.59 (39%)
ADD TO CART
Product Specifications
- Other Name: Sender Assembly - Temperature; Engine Coolant Temperature Sender; Cooling Fan Switch; Temp Sender Gauge; Fan Switch; Sending Unit; Temperature Sending Unit; Temperature Gauge Sending Unit
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-2001 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS

Mercury Mountaineer Coolant Temperature Sensor

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Mercury Mountaineer Coolant Temperature Sensor Parts Questions & Experts Answers

Coolant Temperature Sensor
F8CZ-12A648-B
Q: How to service the Coolant Temperature Sensor/Switch for the computer on Mercury Mountaineer?
A: Service of the Coolant Temperature Sensor/Switch for computer requires disconnecting the ground cable from the battery then draining the cooling system fluid. First, disconnect the electrical connector from the ECT sensor and then uninstall the retaining clip before removing the ECT sensor. To install this component follow the opposite steps of removal.