How to Service the Coolant Temperature Sensor for the Mach I on 2003 Ford Mustang?

You should start the ECT Sensor servicing task on the Mach I by taking out the air intake scoop and draining part of the engine cooling system. Start by removing the ECT sensor after disconnecting its electrical connector. Installation demands a reverse arrangement of the removal steps where you should use sealant on ECT sensor threads before tightening it into position.

OEM 2003 Ford Mustang Coolant Temperature Sensor

Coolant Water Temperature Sensor

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2003 Ford Mustang Coolant Temperature Sensor
Part Number: 3F1Z-12A648-A
$23.00 MSRP: $36.53
You Save: $13.53 (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
- 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 2003 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

2003 Ford Mustang Coolant Temperature Sensor

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2003 Ford Mustang Coolant Temperature Sensor Parts Questions & Experts Answers

Q: How to Service the Coolant Temperature Sensor for the Mach I on 2003 Ford Mustang?
A: You should start the ECT Sensor servicing task on the Mach I by taking out the air intake scoop and draining part of the engine cooling system. Start by removing the ECT sensor after disconnecting its electrical connector. Installation demands a reverse arrangement of the removal steps where you should use sealant on ECT sensor threads before tightening it into position.