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Lincoln AL1Z-4K139-A Rear Axle Shaft Assembly

2009-2010 Lincoln Navigator AL1Z4K139A

Customer Questions & Expert Answers (3)
AL1Z-4K139-A Ford Rear Axle Shaft Assembly Product Photo 1 of 2
  • Part Description
    Shaft Assembly - Rear Axle
  • Position
    Driver Side
  • Replaced By
    AL1Z-4K139-D
  • Manufacturer
    Ford
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  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Lincoln
    Manufacturer Part NumberAL1Z-4K139-A, AL1Z4K139A
    Part DescriptionRear Axle Shaft Assembly; Shaft Assembly - Rear Axle
    Item Dimensions6.3 x 5.7 x 41.8 inches
    Item Weight28.60 Pounds
    PositionDriver Side
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerFord
    SKUAL1Z-4K139-A
    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
    2009-2010 Lincoln Navigator8 Cyl 5.4L4-Speed Automatic Transmission E4OD(4R100), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission ZF 6HP26 Steptronic, Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel 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 AL1Z-4K139-A fits your vehicle.
    Posted and answered by Ford Parts Specialist Jack
    Q:
    What component should you remove after removing the front wheels and the Axle Shaft for the 2009 Ford Expedition? Posted by Christine M.
    A:
    Remove the front driveshaft. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Ford Parts Specialist Joseph / Jun 03, 2024
    Q:
    What should you do before removing the driveaxle/hub nut on the 2009 Lincoln Navigator? Posted by Mathieu V.
    A:
    Before removing the driveaxle/hub nut, depress the brake pedal while unscrewing the nut. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Ford Parts Specialist Don / Mar 08, 2026

Genuine Ford Part AL1Z-4K139-A, the Right Choice

To ensure reliability, purchase part # AL1Z-4K139-A Rear Axle Shaft Assembly. It is also called Axle Shaft. 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 Lincoln Navigator models.

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