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Mercury 4F1Z-14N089-BA Relay Module

2004-2011 Mercury 4F1Z14N089BA

Customer Questions & Expert Answers (3)
4F1Z-14N089-BA Ford Relay Module Product Photo 1 of 1
4F1Z-14N089-BA Ford Relay Module Product Photo 1 of 1
4F1Z-14N089-BA Ford Relay Module Illustration 1 of 1
  • Replaced By
    5M5Z-14N089-CA
  • Manufacturer
    Ford
Make sure this part fits
$16.06 MSRP: $26.00
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  • Specifications
  • Fitment
  • Q&A

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  • Product Specifications

    BrandGenuine Mercury
    Manufacturer Part Number4F1Z-14N089-BA, 4F1Z14N089BA
    Part DescriptionRelay Module
    Item Weight0.40 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerFord
    SKU4F1Z-14N089-BA
    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
    2008-2011 Mercury Mariner4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 4 Cyl 2.5L Duratec (110kW/150PS), 4 Cyl 2.5L PFI Gas/Electric, 6 Cyl 3.0L DOHC EFI Modular, 6 Cyl 3.0L OHC Duratec4AT 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
    2006-2011 Mercury Milan4 Cyl 2.3L, 4 Cyl 2.5L Duratec HE PFI, 4 Cyl 2.5L PFI Gas/Electric, 6 Cyl 3.0L DOHC EFI, 6 Cyl 3.0L OHC Duratec, 6 Cyl 3.5L DOHC VCT SMPI5-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
    2004-2005 Mercury Sable6 Cyl 3.0L4AT 4F50N, 6AT

  • Customer Questions & Expert Answers

    Q:
    Is this the correct part for the attached VIN?
    A:
    You can Select Your Vehicle to check if 4F1Z-14N089-BA fits your vehicle.
    Posted and answered by Ford Parts Specialist Matthew
    Q:
    What are the steps for testing a Relay with jumper wires connected to terminals 86 and 85 for the 2010 Ford Escape? Posted by Verified Customer
    A:
    Connect a fused jumper wire to terminal 86 and the positive battery terminal, and another jumper wire between terminal 85 and ground. When the connections are made, the relay should click. With the jumper wires connected, check for continuity between the power circuit terminals. There should now be continuity between terminals 30 and 87. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Ford Parts Specialist John / Aug 27, 2025
    Q:
    What happens if a Relay is defective for the 2011 Ford Fusion? Posted by Mckayla C.
    A:
    If the relay is defective, that component will not operate properly. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Ford Parts Specialist Sonny / Nov 19, 2025

Genuine Ford Part 4F1Z-14N089-BA, the Right Choice

To ensure reliability, purchase part # 4F1Z-14N089-BA Relay Module. It is also called Relay. 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, Sable models.

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