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Ford XL1Z-9431-BA Exhaust Manifold Assembly

1999-2002 Ford XL1Z9431BA

Customer Questions & Expert Answers (3)
XL1Z-9431-BA Ford Exhaust Manifold Assembly Illustration 1 of 1
XL1Z-9431-BA Ford Exhaust Manifold Assembly Illustration 1 of 1
  • Part Description
    Manifold Assembly - Exhaust
  • Base No.
    9430B
  • Position
    Driver Side
  • Manufacturer
    Ford
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Specifications
  • Fitment
  • Q&A

  • Related Parts

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  • Product Specifications

    BrandGenuine Ford
    Base No.9430B
    Manufacturer Part NumberXL1Z-9431-BA, XL1Z9431BA
    Part DescriptionManifold Assembly - Exhaust
    Other NamesExhaust Manifold, Manifold
    Manufacturer NoteLH - Includes XL3Z-9F485-AA, DOHC
    Item Dimensions20.1 x 8.8 x 5.9 inches
    Item Weight14.20 Pounds
    PositionDriver Side
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerFord
    SKUXL1Z-9431-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
    2002 Lincoln Blackwood8 Cyl 5.4L DOHC EFI4-Speed Automatic Transmission E4OD(4R100), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
    1999-2002 Lincoln Navigator8 Cyl 5.4L4AT 4R100

  • Customer Questions & Expert Answers

    Q:
    Is this the correct part for the attached VIN?
    A:
    You can Select Your Vehicle to check if XL1Z-9431-BA fits your vehicle.
    Posted and answered by Ford Parts Specialist Matthew
    Q:
    How should the mounting nuts for the Exhaust Manifold be tightened on the 2001 Lincoln Navigator? Posted by Oneonta F.
    A:
    When tightening the mounting nuts, work from the rear to the front, alternating between the top and bottom rows. Tighten the bolts in three equal steps to the specified torque. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Ford Parts Specialist Clayton / Oct 01, 2025
    Q:
    What should you be cautious of regarding Exhaust Manifold warpage for the 1999 Lincoln Navigator? Posted by Zulia M.
    A:
    Exhaust manifold warpage is possible on some V6 engines. If the manifold is warped slightly, install the pilot bolts first. Sometimes, it may be necessary to elongate some holes in the exhaust manifolds to start the bolts, but never file out the pilot bolt holes. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Ford Parts Specialist Ley / May 11, 2024

Genuine Ford Part XL1Z-9431-BA, the Right Choice

To ensure reliability, purchase part # XL1Z-9431-BA Exhaust Manifold Assembly. It is also called Exhaust Manifold. 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 Blackwood, Navigator models.

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