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Lincoln AT4Z-6K301-B Rear Main Seal Retainer

2011-2016 Lincoln AT4Z6K301B

Customer Questions & Expert Answers (4)
AT4Z-6K301-B Ford Rear Main Seal Retainer Product Photo 1 of 1
AT4Z-6K301-B Ford Rear Main Seal Retainer Product Photo 1 of 1
AT4Z-6K301-B Ford Rear Main Seal Retainer Illustration 1 of 1
  • Part Description
    Retainer - Crankshaft Oil Seal
  • Base No.
    6K301
  • Replaced By
    CG1Z-6335-B
  • Manufacturer
    Ford
Make sure this part fits
$44.20 MSRP: $63.50
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  • Specifications
  • Fitment
  • Q&A

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  • Product Specifications

    BrandGenuine Lincoln
    Base No.6K301
    Manufacturer Part NumberAT4Z-6K301-B, AT4Z6K301B
    Part DescriptionRear Main Seal Retainer; Retainer - Crankshaft Oil Seal
    Item Dimensions9.1 x 3.0 x 14.4 inches
    Item Weight2.00 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerFord
    SKUAT4Z-6K301-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
    2011-2013 Lincoln Mark LT6 Cyl 3.5L DOHC TIVCT, 6 Cyl 3.7L PFI NA4-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, 6-Speed Automatic Transmission (6R80), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
    2013-2016 Lincoln MKS6 Cyl 3.7L DOHC, 6 Cyl 3.7L PFI NA6-Speed Automatic Transmission 6F50, 6-Speed Automatic Transmission 6F55, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
    2013 Lincoln MKT6 Cyl 3.5L DOHC T/C, 6 Cyl 3.7L DOHC, 6 Cyl 3.7L PFI NA6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Automatic Transmission 6F50, 6-Speed Automatic Transmission 6F55, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
    2012-2013 Lincoln MKX6 Cyl 3.5L DOHC VCT SMPI, 6 Cyl 3.7L DOHC6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Automatic Transmission 6F50, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Front-Wheel Drive (Left Hand 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 AT4Z-6K301-B fits your vehicle.
    Posted and answered by Ford Parts Specialist Jack
    Q:
    How should the new carrier with the Crankshaft Seal be positioned for the 2014 Ford Taurus? Posted by Shantelle P.
    A:
    With the plastic seal liner or tool in place, carefully move the new carrier (with seal factory-installed) into position by sliding it onto the contact surface of the crankshaft. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Ford Parts Specialist George / Sep 07, 2025
    Q:
    What is an alternative method for removing the Crankshaft Seal for the 2013 Ford Taurus? Posted by Toni E.
    A:
    Drill a small hole on each side of the seal and place a self-tapping screw in each hole. Use these screws as a means of pulling the seal out without having to pry on the seal itself. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Ford Parts Specialist George / Dec 11, 2025
    Q:
    Does this include both the rear main seal and the retaining plate, and does this come pre-installed on the retaining plate? Posted by Dakota M. / 2012 Ford F-150
    A:
    YES
    Answered by Ford Parts Specialist Tim / Aug 12, 2021

Genuine Ford Part AT4Z-6K301-B, the Right Choice

To ensure reliability, purchase part # AT4Z-6K301-B Rear Main Seal Retainer. It is also called Crankshaft Seal. 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 Mark LT, MKS, MKX models.

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