How to Service and Repair the Coolant Temperature Sensor for the 4.0L SOHC Engine on 2009 Ford Mustang?

To service Engine Coolant Temperature (ECT) Sensor in the 4.0L SOHC engine, empty the cooling system, debrief electrical connector and take out the sensor. Fit the new sensor by following the same steps in inverting the process with attaching a retaining clip. Lastly fill and bleed the cooling system.

OEM 2009 Ford Mustang Coolant Temperature Sensor

Coolant Water Temperature Sensor

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2009 Ford Mustang Coolant Temperature Sensor Part Number: 3F1Z-12A648-A
$21.41 MSRP: $34.00
You Save: $12.59 (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
- Base No.: 12A648
- Item Weight: 0.30 Pounds
- Item Dimensions: 6.2 x 4.2 x 4.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 3F1Z-12A648-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
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Fits the following 2009 Ford Mustang Submodels:
- 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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2009 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
- Base No.: 12A648
- Item Weight: 0.50 Pounds
- Item Dimensions: 4.6 x 4.0 x 4.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 4L3Z-12A648-AB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2009 Ford Mustang Submodels:
- Bullitt, GT, Shelby GT | 8 Cyl 4.6 L GAS
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2009 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
ADD TO CART
Product Specifications
- Other Name: Sender Assembly; Engine Coolant Temperature Sensor; Temperature Sensor; Temperature Switch; Sensor
- Replaces: 3L8Z-12A648-BA, DY-1004
- Base No.: 12A648
- Item Weight: 0.30 Pounds
- Item Dimensions: 6.1 x 4.2 x 4.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 3L8Z-12A648-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2009 Ford Mustang Submodels:
- Base | 6 Cyl 4.0 L GAS

2009 Ford Mustang Coolant Temperature Sensor

If you're seeking quality and affordability, look no further than our extensive inventory of genuine 2009 Ford Mustang Coolant Temperature Sensor available at FordPartsDeal.com. You can confidently purchase our OEM 2009 Ford Mustang Coolant Temperature Sensor as they are supported by the manufacturer's warranty and our hassle-free return policy, alongside the benefit of our fast delivery service.

2009 Ford Mustang Coolant Temperature Sensor Parts Q&A

Q: How to Service and Repair the Coolant Temperature Sensor for the 4.0L SOHC Engine on 2009 Ford Mustang?
A: To service Engine Coolant Temperature (ECT) Sensor in the 4.0L SOHC engine, empty the cooling system, debrief electrical connector and take out the sensor. Fit the new sensor by following the same steps in inverting the process with attaching a retaining clip. Lastly fill and bleed the cooling system.