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Make sure this part fits

Lincoln 3L8Z-12A648-AA Coolant Temperature Sensor

2006-2009 Lincoln 3L8Z12A648AA

Customer Questions & Expert Answers (3)
3L8Z-12A648-AA Ford Coolant Temperature Sensor Product Photo 1 of 2
3L8Z-12A648-AA Ford Coolant Temperature Sensor Product Photo 1 of 2
3L8Z-12A648-AA Ford Coolant Temperature Sensor Product Photo 2 of 2
3L8Z-12A648-AA Ford Coolant Temperature Sensor Illustration 1 of 1
  • Part Description
    Sensor - Engine Coolant Temperature
  • Base No.
    12A648
  • Manufacturer
    Ford
Make sure this part fits
$52.06 MSRP: $87.64
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  • Specifications
  • Fitment
  • Q&A

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  • Product Specifications

    BrandGenuine Lincoln
    Base No.12A648
    Manufacturer Part Number3L8Z-12A648-AA, 3L8Z12A648AA
    Part DescriptionCoolant Temperature Sensor; Sensor - Engine Coolant Temperature
    Manufacturer NoteRectangular connector with 2 flat pins, DOHC
    Item Dimensions6.3 x 4.1 x 4.1 inches
    Item Weight0.30 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerFord
    SKU3L8Z-12A648-AA
    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
    2007-2009 Lincoln MKZ6 Cyl 3.0L DOHC EFI5-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
    2006 Lincoln Zephyr6 Cyl 3.0L DOHC EFI5-Speed Automatic Transmission Mazda FNR5, 5-Speed Manual Transmission (G5M), 6-Speed Automatic Transaxle - AWF21, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive

  • Customer Questions & Expert Answers

    Q:
    I would like to know is this part gonna fit with my car.
    A:
    You can Select Your Vehicle to check if 3L8Z-12A648-AA fits your vehicle.
    Posted and answered by Ford Parts Specialist George
    Q:
    What is the function of the Cylinder Head Temperature (CHT) sensor or Coolant Temperature Sensor for the 2008 Ford Fusion? Posted by Rhonda P.
    A:
    The CHT and ECT sensors serve as information sensors for the Powertrain Control Module (PCM) and also function as the coolant temperature sending unit for the temperature gauge. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Ford Parts Specialist George / Mar 27, 2026
    Q:
    What should be done after installing the new Coolant Temperature Sensor for the 2008 Ford Fusion? Posted by Kip M.
    A:
    Refill the cooling system. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Ford Parts Specialist John / Jan 03, 2026

Genuine Ford Part 3L8Z-12A648-AA, the Right Choice

To ensure reliability, purchase part # 3L8Z-12A648-AA 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 Lincoln MKZ, Zephyr models.

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