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Ford 1L3Z-6312-AA Crankshaft Pulley

1999-2004 Ford F-150 1L3Z6312AA

Customer Questions & Expert Answers (3)
1L3Z-6312-AA Ford Crankshaft Pulley Product Photo 1 of 4
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  • Part Description
    Pulley - Crankshaft
  • Base No.
    6312
  • Manufacturer
    Ford
Make sure this part fits
$292.15 MSRP: $431.67
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  • Specifications
  • Fitment
  • Q&A

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  • Product Specifications

    BrandGenuine Ford
    Base No.6312
    Manufacturer Part Number1L3Z-6312-AA, 1L3Z6312AA
    Part DescriptionCrankshaft Pulley; Pulley - Crankshaft
    Manufacturer NoteLightning
    Item Dimensions8.6 x 7.8 x 3.1 inches
    Item Weight9.90 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerFord
    SKU1L3Z-6312-AA
    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
    1999-2004 Ford F-1508 Cyl 5.4L4AT, 4AT 4R100, 4AT 4R70W, 5MT

  • Customer Questions & Expert Answers

    Q:
    Does the PN fit my vehicle?
    A:
    You can Select Your Vehicle to check if 1L3Z-6312-AA fits your vehicle.
    Posted and answered by Ford Parts Specialist Sonny
    Q:
    What should be used to remove the Crankshaft Pulley on the 2004 Ford F-150 without threaded holes? Posted by Verified Customer
    A:
    Use a three-jaw puller that grabs the inner portion of the hub. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Ford Parts Specialist Joseph / Oct 24, 2022
    Q:
    What should be removed after disconnecting the battery for the 2004 Ford F-150, including the Crankshaft Pulley? Posted by Luben O.
    A:
    Remove the Serpentine Belt. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Ford Parts Specialist Sonny / Feb 28, 2026

Genuine Ford Part 1L3Z-6312-AA, the Right Choice

To ensure reliability, purchase part # 1L3Z-6312-AA Crankshaft Pulley. It is also called Crankshaft Pulley, Harmonic Balancer. 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 Ford F-150 models.

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