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Mercury 1L2Z-12A699-AA Knock Sensor

2002-2010 Mercury 1L2Z12A699AA

Customer Questions & Expert Answers (3)
1L2Z-12A699-AA Ford Knock Sensor Product Photo 1 of 4
1L2Z-12A699-AA Ford Knock Sensor Product Photo 1 of 4
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1L2Z-12A699-AA Ford Knock Sensor Illustration 1 of 1
  • Part Description
    Sensor - Engine Knock
  • Base No.
    12A699
  • Manufacturer
    Ford
Make sure this part fits
$96.56 MSRP: $154.00
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  • Specifications
  • Fitment
  • Q&A

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  • Product Specifications

    BrandGenuine Mercury
    Base No.12A699
    Manufacturer Part Number1L2Z-12A699-AA, 1L2Z12A699AA
    Part DescriptionKnock Sensor; Sensor - Engine Knock
    Manufacturer NoteDual headed Bolt on type sensor
    Item Dimensions3.0 x 1.8 x 4.2 inches
    Item Weight0.80 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerFord
    SKU1L2Z-12A699-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
    2002-2006 Mercury Grand Marquis8 Cyl 4.6L4AT 4R70W
    2002-2010 Mercury Mountaineer8 Cyl 4.6L, 8 Cyl 4.6L Romeo SOHC EFI5-Speed Automatic Transmission 5R55S, 5-Speed Automatic Transmission 5R55W, 5-Speed Manual Transmission (M5R4), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission 6R60, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Right Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)

  • Customer Questions & Expert Answers

    Q:
    Does the PN fit my vehicle?
    A:
    You can Select Your Vehicle to check if 1L2Z-12A699-AA fits your vehicle.
    Posted and answered by Ford Parts Specialist Sonny
    Q:
    How do you disconnect the Knock Sensor for the 2011 Ford F-150? Posted by Leandrew B.
    A:
    Disconnect the electrical connector from the knock sensor. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Ford Parts Specialist Clayton / Jul 28, 2025
    Q:
    What is the second step to access the Knock Sensors in the 2005 Ford Mustang? Posted by Elvis A.
    A:
    Remove the intake manifold. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Ford Parts Specialist John / Aug 24, 2025

Genuine Ford Part 1L2Z-12A699-AA, the Right Choice

To ensure reliability, purchase part # 1L2Z-12A699-AA Knock Sensor. It is also called Knock Sensor. 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 Grand Marquis, Mountaineer models.

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