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Make sure this part fits

Ford 5L8Z-9G444-J Oxygen Exhaust Gas Sensor

2008 Ford 5L8Z9G444J

Customer Questions & Expert Answers (3)
5L8Z-9G444-J Ford Oxygen Exhaust Gas Sensor Product Photo 1 of 4
5L8Z-9G444-J Ford Oxygen Exhaust Gas Sensor Product Photo 1 of 4
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5L8Z-9G444-J Ford Oxygen Exhaust Gas Sensor Illustration 1 of 1
  • Part Description
    Sensor - Exhaust Gas - Oxygen
  • Position
    Front
  • Replaced By
    5L8Z-9G444-F
  • Manufacturer
    Ford
Make sure this part fits
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  • Specifications
  • Fitment
  • Q&A

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  • Product Specifications

    BrandGenuine Ford
    Manufacturer Part Number5L8Z-9G444-J, 5L8Z9G444J
    Part DescriptionOxygen Exhaust Gas Sensor; Sensor - Exhaust Gas - Oxygen
    Item Dimensions5.9 x 2.0 x 2.3 inches
    Item Weight0.50 Pounds
    PositionFront
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerFord
    SKU5L8Z-9G444-J
    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 Ford Escape6 Cyl 3.0L DOHC EFI Modular4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
    2008 Mercury Mariner6 Cyl 3.0L DOHC EFI Modular4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, 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:
    Will these fit my car and if not which part will? Thank you.
    A:
    You can Select Your Vehicle to check if 5L8Z-9G444-J fits your vehicle.
    Posted and answered by Ford Parts Specialist Jack
    Q:
    What are the steps to replace the downstream Oxygen Sensor for the rear cylinder bank in the 2008 Mercury Mariner? Posted by Salaheddin A.
    A:
    Disconnect the negative battery terminal. Loosen the right front wheel lug nuts, raise the vehicle, and remove the right front wheel. Remove the right lower engine splash shield. Disconnect the downstream oxygen sensor electrical connector. Unscrew and remove the downstream oxygen sensor. Apply anti-seize compound if reinstalling the old sensor. Install the sensor and tighten it to the specified torque. Reconnect the battery and allow the PCM to relearn its idle and fuel trim strategy. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Ford Parts Specialist Jack / Jan 06, 2022
    Q:
    What should be done before replacing the Oxygen Sensor for the 2008 Ford Escape? Posted by Tydus M.
    A:
    Start and run the engine for a minute or two to warm it up, as the sensor may be difficult to loosen when cold. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Ford Parts Specialist John / Jun 06, 2025

Genuine Ford Part 5L8Z-9G444-J, the Right Choice

To ensure reliability, purchase part # 5L8Z-9G444-J Oxygen Exhaust Gas Sensor. It is also called Oxygen 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 Ford Escape models. It fits Mercury Mariner.

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