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Mercury 4L5Z-6A666-BA Valve Assembly

2005-2009 Mercury 4L5Z6A666BA

Customer Questions & Expert Answers (12)
Ford 4L5Z-6A666-BA Valve Assembly
Ford 4L5Z-6A666-BA Valve Assembly
Ford 4L5Z-6A666-BA Valve Assembly
  • Part Description
    Valve Assy
  • Base No.
    6A666
  • Manufacturer
    Ford
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  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers

  • Related Parts

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  • Product Specifications

    BrandGenuine Mercury
    Base No.6A666
    Manufacturer Part Number4L5Z-6A666-BA, 4L5Z6A666BA
    Part DescriptionValve Assy
    Other NamesPCV Valve
    Item Dimensions6.3 x 4.1 x 4.1 inches
    Item Weight0.70 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerFord
    SKU4L5Z-6A666-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
    2005-2008 Mercury Mariner4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC4AT CD4E, 5-Speed Manual Transmission, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Right Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive), Two-Wheel Drive (Right Hand Drive)
    2006-2009 Mercury Milan4 Cyl 2.3L5-Speed Automatic Transmission Mazda FNR5, 5-Speed Manual Transmission (G5M), 6-Speed Automatic Transaxle - AWF21, 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Manual Transmission Mazda G6M, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive

  • Customer Questions & Expert Answers

    Q:
    Is the the correct part for the attached VIN? Posted by FordPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if 4L5Z-6A666-BA fits your vehicle.
    Posted by FordPartsGiant Specialist
    Q:
    What does the crankcase emission control system consist of for the 2000 Ford Focus? Posted by Customer
    A:
    The crankcase emission control system consists of hoses connecting the crankcase to the air cleaner or intake manifold. Some engines may also have oil separator units.
    Posted by FordPartsGiant Specialist
    See expert answers on similar PCV Valve
    Q:
    How do you remove the PCV valve on the 2008 Ford Focus? Posted by Customer
    A:
    Disconnect the hose from the valve at the oil separator. Push in the two tabs and twist the PCV valve out.
    Posted by FordPartsGiant Specialist
    See expert answers on similar PCV Valve
    Q:
    What should be done when installing a new PCV valve for the 2011 Ford Fusion? Posted by Customer
    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.
    Posted by FordPartsGiant Specialist
    See expert answers on similar PCV Valve
    Q:
    What happens in abnormal operating conditions for the 2003 Ford Ranger? Posted by Customer
    A:
    In abnormal operating conditions, the PCV system is designed to allow excessive amounts of blow-by gases to flow back through the crankcase vent tube into the air cleaner to be consumed by normal combustion.
    Posted by FordPartsGiant Specialist
    See expert answers on similar PCV Valve
    Q:
    How can I check the PCV valve for the 2000 Ford Ranger? Posted by Customer
    A:
    To check the PCV valve, remove it from the grommet in the oil separator or valve cover and shake it. It should rattle, indicating it's not clogged. If it doesn't rattle, it needs to be replaced.
    Posted by FordPartsGiant Specialist
    See expert answers on similar PCV Valve
    Q:
    What should you check if no vacuum is felt when the PCV hose is disconnected for the 2000 Ford Ranger? Posted by Customer
    A:
    If no vacuum is felt, check for vacuum leaks at the valve, filler cap, and all hoses. The oil filler cap, hoses, or valve cover gasket may be leaking, or the PCV valve may be bad.
    Posted by FordPartsGiant Specialist
    Q:
    How does the PCV system work for the 2000 Ford Ranger? Posted by Customer
    A:
    The PCV system works by circulating fresh air from the air cleaner through the crankcase, where it mixes with blow-by gases. It then reroutes this mixture through a PCV valve to the intake manifold.
    Posted by FordPartsGiant Specialist
    See expert answers on similar PCV Valve
    Q:
    How do you disconnect the fresh air inlet hose on the 2010 Mercury Mariner? Posted by Customer
    A:
    Disconnect the fresh air inlet hose from the front valve cover, the rear valve cover, and the air intake duct.
    Posted by FordPartsGiant Specialist
    Q:
    How do I install the PCV valve in the 2011 Mercury Mariner? Posted by Customer
    A:
    Installation is the reverse of removal.
    Posted by FordPartsGiant Specialist
    See expert answers on similar PCV Valve
    Q:
    How can I check if the PCV valve/system is working properly in the 2012 Ford Escape? Posted by Customer
    A:
    Start the engine and allow it to idle, then disconnect the PCV valve from the valve cover and feel for vacuum at the end of the valve. If vacuum is felt, the PCV valve/system is working properly.
    Posted by FordPartsGiant Specialist
    See expert answers on similar PCV Valve
    Q:
    What should be noted during the removal of the PCV hose for the 2004 Ford Escape? Posted by Customer
    A:
    Carefully note the routing of the PCV hose before removing it.
    Posted by FordPartsGiant Specialist
    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 4L5Z-6A666-BA, the Right Choice

To ensure reliability, purchase Ford part # 4L5Z-6A666-BA Valve Assembly. It is sometimes referred to as Mercury PCV Valve. In terms of quality and longevity, OEM parts are top-tier. This is because they are made according to Ford's demanding factory specifications and go through strict quality control. This part fits specific Mercury Mariner, Milan models.

FordPartsGiant.com is a leading supplier of genuine Ford parts and accessories such as Ford 4L5Z6A666BA Valve Assembly. On our platform, we provide genuine Ford parts at incredible prices while ensuring top-tier quality. Feel at ease shopping with us, knowing our parts have a hassle-free return policy and rapid delivery service. For detailed Mercury parts information, click here.

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