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Make sure this part fits

Mercury 8E5Z-5421991-B Cylinder Assembly - Lock

2006-2011 Mercury 8E5Z5421991B

Customer Questions & Expert Answers (2)
Ford 8E5Z-5421991-B Cylinder Assembly - Lock
Ford 8E5Z-5421991-B Cylinder Assembly - Lock
Ford 8E5Z-5421991-B Cylinder Assembly - Lock
Ford 8E5Z-5421991-B Cylinder Assembly - Lock
Ford 8E5Z-5421991-B Cylinder Assembly - Lock
  • Part Description
    Cylinder Assy - Lock
  • Base No.
    21991
  • Position
    Driver Side
  • Replaces
    5L8Z-7821991-AA, 6E5Z-5421991-B
  • Manufacturer
    Ford
Make sure this part fits
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  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers

  • Related Parts

    Shop for related parts for your vehicle

  • Product Specifications

    BrandGenuine Mercury
    Base No.21991
    Manufacturer Part Number8E5Z-5421991-B, 8E5Z5421991B
    Part DescriptionCylinder Assy - Lock
    Item Dimensions9.5 x 7.1 x 1.0 inches
    Item Weight0.50 Pounds
    PositionDriver Side
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces5L8Z-7821991-AA, 6E5Z-5421991-B
    ManufacturerFord
    SKU8E5Z-5421991-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
    2006 Mercury Mariner4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 6 Cyl 3.0L DOHC EFI Modular4AT CD4E, 5-Speed Manual Transmission, 5-Speed Manual Transmission - AK, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Right Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive), Two-Wheel Drive (Right 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

  • 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 8E5Z-5421991-B fits your vehicle.
    Posted by FordPartsGiant Specialist
    Q:
    Does this come with a key? Or will I need a new one made? Or will I just be able to use the one that works with my other door? Posted by Customer: 2014 Ford Explorer
    A:
    8E5Z-5421991-B it is a kit that is for rebuilding the cylinder lock. a locksmith is needed to put the tumblers in the right order for the customer key to fit.
    Posted by FordPartsGiant Specialist 23/3/2023
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

Genuine Ford Part 8E5Z-5421991-B, the Right Choice

Your vehicle deserves only genuine OEM Ford parts and accessories. To ensure reliability, purchase Ford part # 8E5Z-5421991-B Cylinder Assembly - Lock with base parts number <21990. It is sometimes referred to as Mercury Door Lock Cylinder. Our Ford parts and accessories are expedited directly from authorized Ford dealers strategically located all across the U.S. and are backed by the manufacturer's 12 month, 12,000 mile warranty. OEM Ford parts are the best for restoring your vehicle to factory condition performance. This part fits specific Mercury Mariner, Milan models.

Affordable, reliable and built to last, Ford part # 8E5Z5421991B Cylinder Assembly - Lock stands out as the smart option. FordPartsGiant.com is your prime online source with the biggest and best selection of genuine Ford parts and accessories at giant discounted prices. We have the OEM Ford parts and accessories you need at the wholesale prices. FordPartsGiant.com has you covered no matter what type of Ford vehicle you drive. For detailed Mercury parts information, click here.

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