How to service the Coolant Temperature Sensor/Switch for the computer on Ford Mustang?

The Coolant Temperature Sensor/Switch may be serviced, beginning by removing the battery ground cable. Next, empty the cooling system half full. Then, unconnection of Engine Coolant Temperature (ECT) sensor connector and unplugging of ECT sensor occurs. Installing is just a matter of reversing the steps of removal.

How to service the Coolant Temperature Sensor on Ford Mustang?

To maintain the engine coolant temperature (ECT) sensor, the first step is to disconnect battery ground cable and empty the cooling system. Next take off the electrical connector and the retaining clip and sensor. Installment of the new sensor requires reversal of the procedures followed but it is important to refill and bleed the cooling system after installation.

OEM Ford Mustang Coolant Temperature Sensor

Coolant Water Temperature Sensor

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10 Coolant Temperature Sensors found

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Ford Mustang Coolant Temperature Sensor Part Number: 9U2Z-12A648-A
$32.23 MSRP: $51.18
You Save: $18.95 (38%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Sender Assembly; Engine Coolant Temperature Sensor; Temperature Switch; Temperature Sending Unit; Sensor
- Replaces: F4TZ-12A648-A, F2AZ-12A648-A, F2AZ-12A648-AA, F1AZ-12A648-B, E1AZ-12A648-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1992-1995 Ford Mustang | Base, GT, GTS, LX, SVT Cobra, SVT Cobra R | 4 Cyl 2.3 L GAS, 6 Cyl 3.8 L GAS, 8 Cyl 5.0 L GAS
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Ford Mustang Coolant Temperature Sensor Part Number: 4L3Z-12A648-AB
$57.44 MSRP: $96.25
You Save: $38.81 (41%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sender Assembly; Engine Coolant Temperature Sensor; Temperature Sensor
- Replaces: 4L3Z-12A648-AA, DY-981
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2010 Ford Mustang | Bullitt, GT, Shelby GT | 8 Cyl 4.6 L GAS
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Ford Mustang Temperature Gauge Part Number: F1SZ-10884-A
$34.69 MSRP: $55.09
You Save: $20.40 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sender Assembly - Temperature; Engine Coolant Temperature Sender; Temp Gauge; Temperature Sending Unit; Temperature Gauge Sending Unit; Temperature Sender Unit
- Replaces: DOWY-10884-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1992-1995 Ford Mustang | Base, GT, GTS, LX, SVT Cobra, SVT Cobra R | 6 Cyl 3.8 L GAS, 8 Cyl 5.0 L GAS
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Ford Mustang Coolant Temperature Sensor Part Number: 3L8Z-12A648-A
$29.78 MSRP: $47.29
You Save: $17.51 (38%)
Ships in 1-2 Business Days
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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:
- 2005-2010 Ford Mustang | Base | 6 Cyl 4.0 L GAS
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Ford Mustang 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:
- 1996-2023 Ford Mustang | Base, Bullitt, EcoBoost, EcoBoost Premium, GT, GT Bullitt, Mach 1, Shelby GT, Shelby GT500, Shelby GT500KR, SVT Cobra, SVT Cobra 10th Anniversary | 4 Cyl 2.3 L GAS, 6 Cyl 3.8 L GAS, 6 Cyl 3.9 L GAS, 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L GAS, 8 Cyl 5.8 L GAS
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Ford Mustang Temperature Sensor Part Number: F7DZ-10884-AA
$15.63 MSRP: $25.22
You Save: $9.59 (39%)
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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:
- 1996-1998 Ford Mustang | Base, GT, SVT Cobra | 6 Cyl 3.8 L GAS, 8 Cyl 4.6 L GAS
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Ford Mustang Oil Pan Gasket Part Number: DOWY-10884-A
$34.69 MSRP: $55.09
You Save: $20.40 (38%)
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Product Specifications
- Other Name: Sender Assembly - Temperature; Transmission Filter; Valve Spring; Temperature Sending Unit; Temperature Gauge Sending Unit; Intake Valve Spring; Filter
- Manufacturer Note: 1 contact, w/electronic instrumentation
- Replaced by: F1SZ-10884-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1984-1991 Ford Mustang | GT, GT-350 20th Anniversary, L, LX | 6 Cyl 3.8 L GAS, 8 Cyl 5.0 L GAS
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Ford Mustang Coolant Temperature Sensor Part Number: P2GZ-12A648-A
$17.63 MSRP: $27.27
You Save: $9.64 (36%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sender Assembly; Temperature Sensor
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2024 Ford Mustang | EcoBoost, EcoBoost Premium | 4 Cyl 2.3 L GAS
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Ford Mustang Coolant Temperature Sensor Part Number: JL3Z-12A648-B
$15.77 MSRP: $25.60
You Save: $9.83 (39%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sender Assembly; Temperature Sensor
- Replaces: DY-1446, JL3Z-12A648-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2015-2022 Ford Mustang | Shelby GT350, Shelby GT350R, Shelby GT500 | 8 Cyl 5.2 L GAS
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Ford Mustang Temperature Sensor Part Number: F68Z-10884-AA
Product Specifications
- Other Name: Sender Assembly - Temperature; Engine Coolant Temperature Sender; Coolant Temperature Sender; Coolant Temperature Sensor; Temperature Gauge; Temperature Sending Unit; Temperature Gauge Sending Unit
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1996-1997 Ford Mustang | GT, SVT Cobra | 8 Cyl 4.6 L GAS

Ford Mustang Coolant Temperature Sensor

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Ford Mustang Coolant Temperature Sensor Parts and Q&A

Coolant Temperature Sensor
3F1Z-12A648-A
Q: How to service the Coolant Temperature Sensor/Switch for the computer on Ford Mustang?
A: The Coolant Temperature Sensor/Switch may be serviced, beginning by removing the battery ground cable. Next, empty the cooling system half full. Then, unconnection of Engine Coolant Temperature (ECT) sensor connector and unplugging of ECT sensor occurs. Installing is just a matter of reversing the steps of removal.
Coolant Temperature Sensor
4L3Z-12A648-AB
Q: How to service the Coolant Temperature Sensor on Ford Mustang?
A: To maintain the engine coolant temperature (ECT) sensor, the first step is to disconnect battery ground cable and empty the cooling system. Next take off the electrical connector and the retaining clip and sensor. Installment of the new sensor requires reversal of the procedures followed but it is important to refill and bleed the cooling system after installation.