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Mercury D9OZ-6A666-A Valve Assembly

1980-1981 Mercury D9OZ6A666A

Customer Questions & Expert Answers (8)
Ford D9OZ-6A666-A Valve Assembly
Ford D9OZ-6A666-A Valve Assembly
Ford D9OZ-6A666-A Valve Assembly
Ford D9OZ-6A666-A Valve Assembly
  • Part Description
    Valve Assy
  • Base No.
    6A666
  • Manufacturer
    Ford
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers

  • Related Parts

    Shop for related parts for your vehicle

  • Product Specifications

    BrandGenuine Mercury
    Base No.6A666
    Manufacturer Part NumberD9OZ-6A666-A, D9OZ6A666A
    Part DescriptionValve Assy
    Other NamesPCV Valve
    Item Dimensions6.3 x 4.1 x 4.1 inches
    Item Weight0.50 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerFord
    SKUD9OZ-6A666-A
    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
    1980-1981 Mercury Cougar4 Cyl 2.3L, 6 Cyl 3.3L, 8 Cyl 4.2L, 8 Cyl 5.0L3AT C3, 3AT C4, 4AT AOD, 4MT
    1980-1981 Mercury Grand Marquis8 Cyl 4.2L, 8 Cyl 5.0L, 8 Cyl 5.8L3AT, 3AT C4, 3AT C6, 4AT AOD

  • Customer Questions & Expert Answers

    Q:
    I am wondering if this is the exact part that fits in Posted by FordPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if D9OZ-6A666-A fits your vehicle.
    Posted by FordPartsGiant Specialist
    Q:
    What action should be taken if the PCV valve is suspected of blockage or fails the functionality test for the 1984 Ford Bronco II? Posted by Customer
    A:
    If the PCV valve is suspected of blockage or fails the test, it should be replaced rather than cleaned.
    Posted by FordPartsGiant Specialist
    See expert answers on similar PCV Valve
    Q:
    What is the purpose of the Positive Crankcase Ventilation (PCV) system for the 1985 Ford Bronco? Posted by Customer
    A:
    The purpose of the PCV system is to relieve crankcase pressure and prevent damage to engine seals, as well as to avoid releasing pollutants into the atmosphere.
    Posted by FordPartsGiant Specialist
    See expert answers on similar PCV Valve
    Q:
    What should you do if the PCV system filter appears restrictive or dirty for the 1992 Ford Bronco? Posted by Customer
    A:
    If the filter or filter assembly appears to be restrictive or dirty, it should be replaced.
    Posted by FordPartsGiant Specialist
    See expert answers on similar PCV Valve
    Q:
    Why is a flow of air through the crankcase essential for effective PCV system operation for the 1983 Ford F-250? Posted by Customer
    A:
    A flow of air through the crankcase is essential to prevent damage to engine seals and ensure optimal performance and emission control.
    Posted by FordPartsGiant Specialist
    See expert answers on similar PCV Valve
    Q:
    What are the main components of the PCV system for the 1985 Lincoln Continental? Posted by Customer
    A:
    The main components of the PCV system are the PCV valve, a fresh air filtered inlet, and the vacuum hoses connecting these components with the engine and the EECS system.
    Posted by FordPartsGiant Specialist
    See expert answers on similar PCV Valve
    Q:
    What could be the possible causes if no vacuum is felt for the 1986 Lincoln Continental? Posted by Customer
    A:
    The oil filler cap, hoses, or valve cover gasket may be leaking, or the PCV valve may be bad. Vacuum leaks at the valve, filler cap, and all hoses should be checked.
    Posted by FordPartsGiant Specialist
    See expert answers on similar PCV Valve
    Q:
    What is recommended to maintain the efficient operation of the PCV (Positive Crankcase Ventilation) system for the 1986 Ford F-250? Posted by Customer
    A:
    To maintain the efficient operation of the PCV system, it is recommended to clean the hoses and check the PCV valve and filter at the intervals specified in the maintenance schedule.
    Posted by FordPartsGiant Specialist
    See expert answers on similar PCV Valve
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

Genuine Ford Part D9OZ-6A666-A, the Right Choice

Your vehicle deserves only genuine OEM Ford parts and accessories. To ensure reliability, purchase Ford part # D9OZ-6A666-A Valve Assembly with base parts number 6A666. It is sometimes referred to as Mercury PCV Valve. Our Ford parts and accessories are expedited directly from authorized Ford dealers strategically located all across the U.S. and are backed by the manufacturer's 12 month, 12,000 mile warranty. OEM Ford parts are the best for restoring your vehicle to factory condition performance. This part fits specific Mercury Cougar, Grand Marquis models.

Affordable, reliable and built to last, Ford part # D9OZ6A666A Valve Assembly stands out as the smart option. FordPartsGiant.com is your prime online source with the biggest and best selection of genuine Ford parts and accessories at giant discounted prices. We have the OEM Ford parts and accessories you need at the wholesale prices. FordPartsGiant.com has you covered no matter what type of Ford vehicle you drive. For detailed Mercury parts information, click here.

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