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Mercury 8F9Z-9F472-B Sensor - Hego

2009-2011 Mercury 8F9Z9F472B

Customer Questions & Expert Answers (7)
8F9Z-9F472-B Ford Sensor - Hego Product Photo 1 of 5
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  • Part Description
    Sensor - Hego
  • Base No.
    9F472
  • Position
    Upper
  • Manufacturer
    Ford
Make sure this part fits
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  • Related Parts
  • Specifications
  • Fitment
  • Q&A

  • Related Parts

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  • Product Specifications

    BrandGenuine Mercury
    Base No.9F472
    Manufacturer Part Number8F9Z-9F472-B, 8F9Z9F472B
    Part DescriptionSensor - Hego
    Manufacturer NoteFront Or Rear
    Item Dimensions8.4 x 7.7 x 7.6 inches
    Item Weight0.70 Pounds
    PositionUpper
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerFord
    SKU8F9Z-9F472-B
    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
    2009-2011 Mercury Mariner4 Cyl 2.5L PFI Gas/Electric4AT 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
    2010-2011 Mercury Milan4 Cyl 2.5L PFI Gas/Electric5-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:
    I am wondering if this is the exact part that fits in Posted by FordPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if 8F9Z-9F472-B fits your vehicle.
    Posted by FordPartsGiant Specialist
    Installation and Repair Tips
    Q:
    What are the steps to replace the upstream Oxygen Sensors in the 2012 Ford Escape? Posted by Customer
    A:
    Disconnect the negative battery terminal. Remove the exhaust manifold heat shield. Disconnect the upstream oxygen sensor electrical connector. Unscrew the upstream oxygen sensor using an oxygen sensor socket. 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.
    Posted by FordPartsGiant Specialist
    Q:
    What is the final step in installing the upstream Oxygen Sensors for the 2009 Ford F-150? Posted by Customer
    A:
    Installation is the reverse of removal, and be sure to tighten the upstream sensor to the specified torque.
    Posted by FordPartsGiant Specialist
    Q:
    Why is it difficult to loosen Oxygen Sensors when the engine is cold for the 2012 Ford Fusion? Posted by Customer
    A:
    It is difficult to loosen an oxygen sensor when the engine is cold because it is installed in the exhaust manifold or pipe.
    Posted by FordPartsGiant Specialist
    Q:
    How do you locate and disconnect the upstream Oxygen Sensors for the 2010 Ford Taurus? Posted by Customer
    A:
    Locate the upstream oxygen sensor, then trace the sensor's electrical lead to its electrical connector and disconnect the connector. Disengage any harness clips.
    Posted by FordPartsGiant Specialist
    Q:
    What are the steps to replace the upstream Oxygen Sensors in the 2009 Mercury Mariner? Posted by Customer
    A:
    Disconnect the negative battery terminal. Remove the exhaust manifold heat shield. Disconnect the upstream oxygen sensor electrical connector. Unscrew the upstream oxygen sensor using an oxygen sensor socket. 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.
    Posted by FordPartsGiant Specialist
    See Complete Installation and Repair Tips
    Q:
    is this for bank 1 sensor 1 slot? Posted by Customer: 2010 Ford Fusion
    A:
    YES
    Posted by FordPartsGiant Specialist 5/9/2025

Genuine Ford Part 8F9Z-9F472-B, the Right Choice

To ensure reliability, purchase part # 8F9Z-9F472-B Sensor - Hego. It is also called Oxygen Sensors. 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 Mariner, Milan models.

FordPartsGiant.com is a leading supplier of genuine components and accessories such as 8F9Z9F472B Sensor - Hego. Looking to purchase quality low-cost OEM Ford parts? You have just found the right place. For detailed Mercury parts information, click here.

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