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Mercury 7C1Z-12A648-A Coolant Temperature Sensor

2006-2009 Mercury Milan 7C1Z12A648A

Customer Questions & Expert Answers (2)
7C1Z-12A648-A Ford Coolant Temperature Sensor Product Photo 1 of 1
7C1Z-12A648-A Ford Coolant Temperature Sensor Product Photo 1 of 1
7C1Z-12A648-A Ford Coolant Temperature Sensor Illustration 1 of 1
  • Part Description
    Sender Assembly
  • Base No.
    12A648
  • Manufacturer
    Ford
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  • Fitment
  • Q&A

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  • Product Specifications

    BrandGenuine Mercury
    Base No.12A648
    Manufacturer Part Number7C1Z-12A648-A, 7C1Z12A648A
    Part DescriptionCoolant Temperature Sensor; Sender Assembly
    Manufacturer NotePush On
    Item Dimensions6.1 x 4.2 x 4.2 inches
    Item Weight0.40 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerFord
    SKU7C1Z-12A648-A
    WarrantyThis genuine Ford part is guaranteed by Ford's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65

  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    2006-2009 Mercury Milan4 Cyl 2.3L5-Speed Automatic Transmission Mazda FNR5, 5-Speed Manual Transmission (G5M), 6-Speed Automatic Transaxle - AWF21, 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Manual Transmission Mazda G6M, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive

  • Customer Questions & Expert Answers

    Q:
    Does the PN fit my vehicle?
    A:
    You can Select Your Vehicle to check if 7C1Z-12A648-A fits your vehicle.
    Posted and answered by Ford Parts Specialist Sonny
    Q:
    What precautions should be taken when installing the Coolant Temperature Sensor on the Ford Fusion? Posted by Alli S.
    A:
    You should not reuse the ECT sensor and always install a new one. For 1.5L and 1.6L, remove the engine cover, expansion tank, and air filter housing to access the sensor on the thermostat housing. Disconnect the connector, remove the clip, and pull out the sensor.
    You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Ford Parts Specialist Don / Feb 22, 2026

Genuine Ford Part 7C1Z-12A648-A, the Right Choice

To ensure reliability, purchase part # 7C1Z-12A648-A Coolant Temperature Sensor. It is also called Coolant Temperature Sensor, Temperature Sending Unit. OEM parts are of high quality and known for their longevity. This is because they are built to the Ford standards which are relatively high and undergo rigorous quality control testing. This part fits specific Mercury Milan models.

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