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Make sure this part fits

Lincoln AA5Z-6A666-D Valve Assembly

2010-2019 Lincoln AA5Z6A666D

Customer Questions & Expert Answers (3)
AA5Z-6A666-D Ford Valve Assembly Product Photo 1 of 1
AA5Z-6A666-D Ford Valve Assembly Product Photo 1 of 1
AA5Z-6A666-D Ford Valve Assembly Illustration 1 of 1
  • Base No.
    6A666
  • Replaced By
    KR3Z-6A666-A
  • Manufacturer
    Ford
Make sure this part fits
$8.99 MSRP: $14.56
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  • Specifications
  • Fitment
  • Q&A

  • Related Parts

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  • Product Specifications

    BrandGenuine Lincoln
    Base No.6A666
    Manufacturer Part NumberAA5Z-6A666-D, AA5Z6A666D
    Part DescriptionValve Assembly
    Item Dimensions6.3 x 4.2 x 4.1 inches
    Item Weight0.40 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerFord
    SKUAA5Z-6A666-D
    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
    2017-2019 Lincoln Continental6 Cyl 2.7L, 6 Cyl 3.0L6-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
    2010-2016 Lincoln MKS6 Cyl 3.5L DOHC T/C6-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
    2010-2019 Lincoln MKT6 Cyl 3.5L DOHC T/C6-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
    2016-2018 Lincoln MKX6 Cyl 2.7L6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Automatic Transmission 6F50, 6-Speed Automatic Transmission 6F55, 8-Speed Automatic Transmission 8F35, 8-Speed Automatic Transmission 8F57, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
    2017-2019 Lincoln MKZ6 Cyl 3.0L6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Automatic Transmission 6F50, 6-Speed Automatic Transmission 6F55, ECVT Auto Trans Power Split, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
    2019 Lincoln Nautilus6 Cyl 2.7L6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Automatic Transmission 6F50, 6-Speed Automatic Transmission 6F55, 8-Speed Automatic Transmission 8F35, 8-Speed Automatic Transmission 8F57, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
    2015-2019 Lincoln Navigator6 Cyl 3.5L GTDI10-Speed Automatic Transmission (10R80), 4-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 AA5Z-6A666-D fits your vehicle.
    Posted and answered by Ford Parts Specialist Jack
    Q:
    What should be done when installing a new PCV Valve for the 2019 Ford Fusion? Posted by Alexa W.
    A:
    The PCV valve must be replaced every time it is removed, and it should be oriented correctly so that the terminal faces toward the wiring harness to avoid having to replace it again. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Ford Parts Specialist Clayton / Sep 21, 2025
    Q:
    What should be done to remove the oil vent separator and the PCV Valve for the 2018 Lincoln MKX? Posted by Alexei P.
    A:
    Remove the oil vent separator mounting bolts and gasket. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Ford Parts Specialist Ley / Aug 21, 2023

Genuine Ford Part AA5Z-6A666-D, the Right Choice

To ensure reliability, purchase part # AA5Z-6A666-D Valve Assembly. It is also called PCV Valve. 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 Continental, MKS, Navigator models.

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