How to Service and Repair the Coolant Temperature Sensor for the 4.0L SOHC Engine on Ford Mustang?

The service procedure for the Engine Coolant Temperature (ECT) Sensor for 4.0L SOHC engines starts with draining the cooling system. First disconnect the electrical connector from the ECT sensor while also removing its retaining clip and sensor. When installing the new sensor follow the opposite order of removal steps while double-checking the retaining clip is fastened properly. Completion of the process requires you to both add and bleed coolant into the cooling system.

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
$33.21 MSRP: $52.73
You Save: $19.52 (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
$69.85 MSRP: $117.27
You Save: $47.42 (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
$35.38 MSRP: $56.18
You Save: $20.80 (38%)
Ships in 1-2 Business Days
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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
$21.41 MSRP: $34.00
You Save: $12.59 (38%)
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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
$16.00 MSRP: $25.82
You Save: $9.82 (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
$35.38 MSRP: $56.18
You Save: $20.80 (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
$3.30 MSRP: $5.11
You Save: $1.81 (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
$19.71 MSRP: $32.00
You Save: $12.29 (39%)
Ships in 1-3 Business Days
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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

OEM Coolant Temperature Sensor boasts unmatched quality. Each part goes through full quality checks. They adhere to Ford's official factory standards. These steps remove flaws and inconsistencies. So you can get Coolant Temperature Sensor with long life and a perfect fit. Come to our website and find genuine Ford Mustang parts. We keep a wide inventory of OEM Mustang parts at the highly affordable prices. It's easy to search, compare, and pick what you need. You'll love the clear info and simple checkout. We offer top-rated customer service, and we reply fast. We also ship promptly to ensure your order arrives on time.

The coolants temperature sensor in the Ford Mustang car models is an important feature since it is the one responsible for maintaining the coolant temperature of an engine to an acceptable level. The sensor plays a critical role of ensuring that the temperature of the coolant is measured accurately, thus achieving the optimal out of the engines. Specified model Ford Mustang have been fitted with several types of Coolant Temperature Sensors in the past years all of which serve the same primary purpose yet may include completely different design or technology. These may have an effect on the responsiveness or on the accuracy to some extent which may help or hinder the Ford Mustang performance. The Coolant Temperature Sensor is once again still included in the system that controls the vehicles' engine and it plays a major role in the car's outcome.

Ford Mustang Coolant Temperature Sensor Parts and Q&A

Coolant Temperature Sensor
3L8Z-12A648-A
Q: How to Service and Repair the Coolant Temperature Sensor for the 4.0L SOHC Engine on Ford Mustang?
A:
The service procedure for the Engine Coolant Temperature (ECT) Sensor for 4.0L SOHC engines starts with draining the cooling system. First disconnect the electrical connector from the ECT sensor while also removing its retaining clip and sensor. When installing the new sensor follow the opposite order of removal steps while double-checking the retaining clip is fastened properly. Completion of the process requires you to both add and bleed coolant into the cooling system.