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Lincoln 1L2Z-4204-BA Differential Case

2000-2011 Lincoln 1L2Z4204BA

Customer Questions & Expert Answers (3)
1L2Z-4204-BA Ford Differential Case Product Photo 1 of 4
1L2Z-4204-BA Ford Differential Case Product Photo 1 of 4
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1L2Z-4204-BA Ford Differential Case Illustration 1 of 1
  • Part Description
    Case - Differential
  • Base No.
    4204
  • Replaced By
    9L3Z-4204-B
  • Manufacturer
    Ford
Make sure this part fits
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  • Specifications
  • Fitment
  • Q&A

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  • Product Specifications

    BrandGenuine Lincoln
    Base No.4204
    Manufacturer Part Number1L2Z-4204-BA, 1L2Z4204BA
    Part DescriptionDifferential Case; Case - Differential
    Item Dimensions10.3 x 10.1 x 9.3 inches
    Item Weight13.60 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerFord
    SKU1L2Z-4204-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
    2003-2005 Lincoln Aviator8 Cyl 4.6L DOHC EFI5-Speed Automatic Transmission 5R55S, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
    2006-2008 Lincoln Mark LT6 Cyl 4.2L OHV EFI, 8 Cyl 4.6L Romeo SOHC EFI, 8 Cyl 4.6L Windsor SOHC EFI, 8 Cyl 5.4L4-Speed Automatic Transmission 4R75E Livonia, 4-Speed Automatic Transmission AODEW/4R70E W/TSS, 4-Speed Automatic Transmission AODEW/4R75E W/TSS, 5-Speed Manual Transmission - Mazda M5R2-C, Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
    2000-2011 Lincoln Town Car8 Cyl 4.6L, 8 Cyl 4.6L Romeo SOHC EFI4AT 4R70W, 4-Speed Automatic Transmission 4R70W (AODE), 4-Speed Automatic Transmission 4R75E Livonia, 4-Speed Automatic Transmission AODEW/4R70E W/TSS, 4-Speed Automatic Transmission AODEW/4R70E W/TSS*S/V, 4-Speed Automatic Transmission AODEW/4R75E W/TSS S/V, 4-Speed Automatic Transmission NAAO AODEW/4R70W*S/VIL, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)

  • Customer Questions & Expert Answers

    Q:
    Does the PN fit my vehicle?
    A:
    You can Select Your Vehicle to check if 1L2Z-4204-BA fits your vehicle.
    Posted and answered by Ford Parts Specialist Sonny
    Q:
    What additional steps are required for the Differential in the 2004 Ford Expedition? Posted by Earl A.
    A:
    For these models, additional steps include removing the rear driveshaft and driveaxles, spare tire, differential vent hose, and vehicle speed sensor connector. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Ford Parts Specialist Clayton / Feb 25, 2026
    Q:
    3.23" differential for a 2011 Ford Crown Victoria Posted by Mohammed M. / 2011 Ford Crown Victoria
    A:
    THE 4204 I SHOW FOR THIS VIN IS 9L3Z4204A
    Answered by Ford Parts Specialist Clayton / May 20, 2025

Genuine Ford Part 1L2Z-4204-BA, the Right Choice

To ensure reliability, purchase part # 1L2Z-4204-BA Differential Case. It is also called Differential. 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 Aviator, Mark LT, Town Car models.

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