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Make sure this part fits

Mercury HJFS-24FP Spark Plug

2008-2010 Mercury Mountaineer HJFS24FP

Customer Questions & Expert Answers (3)
HJFS-24FP Ford Spark Plug Product Photo 1 of 4
HJFS-24FP Ford Spark Plug Product Photo 1 of 4
HJFS-24FP Ford Spark Plug Product Photo 2 of 4
HJFS-24FP Ford Spark Plug Product Photo 3 of 4
HJFS-24FP Ford Spark Plug Product Photo 4 of 4
HJFS-24FP Ford Spark Plug Illustration 1 of 1
  • Part Description
    Spark Plug
  • Base No.
    12405
  • Manufacturer
    Ford
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Specifications
  • Fitment
  • Q&A

  • Related Parts

    Shop for related parts for your vehicle

  • Product Specifications

    BrandGenuine Mercury
    Base No.12405
    Manufacturer Part NumberHJFS-24FP, HJFS24FP
    Part DescriptionSpark Plug
    Item Dimensions3.8 x 0.9 x 0.9 inches
    Item Weight0.40 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerFord
    SKUHJFS-24FP
    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
    2008-2010 Mercury Mountaineer8 Cyl 4.6L5-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:
    Can you tell me if this part is correct for my car?
    A:
    You can Select Your Vehicle to check if HJFS-24FP fits your vehicle.
    Posted and answered by Ford Parts Specialist Rick
    Q:
    is the price per piece or per pack of 4? Posted by Verified Customer / 2010 Ford Expedition
    A:
    It is per plug.
    Answered by Ford Parts Specialist Sonny / May 22, 2025
    Q:
    I want to know is this have 8 pieces or just one and i have to but 7 more Posted by Allen D. / 2013 Ford Expedition
    A:
    SOLD IN A 4 PACK
    Answered by Ford Parts Specialist Rick / Nov 30, 2021

Genuine Ford Part HJFS-24FP, the Right Choice

To ensure reliability, purchase part # HJFS-24FP Spark Plug. It is also called Spark Plug. 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 Mountaineer models.

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