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Mercury F57Z-6571-A Exhaust Valve Seals

1996-1997 Mercury Cougar F57Z6571A

Customer Questions & Expert Answers (3)
F57Z-6571-A Ford Exhaust Valve Seals Illustration 1 of 1
F57Z-6571-A Ford Exhaust Valve Seals Illustration 1 of 1
  • Part Description
    Seal - Valve Stem
  • Base No.
    6571
  • Manufacturer
    Ford
Make sure this part fits
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  • Specifications
  • Fitment
  • Q&A

  • Related Parts

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  • Product Specifications

    BrandGenuine Mercury
    Base No.6571
    Manufacturer Part NumberF57Z-6571-A, F57Z6571A
    Part DescriptionExhaust Valve Seals; Seal - Valve Stem
    Manufacturer NoteIntake & Exhaust
    Item Weight0.40 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerFord
    SKUF57Z-6571-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
    1996-1997 Mercury Cougar6 Cyl 3.8L4AT 4R70W

  • Customer Questions & Expert Answers

    Q:
    Is this the correct part for the attached VIN?
    A:
    You can Select Your Vehicle to check if F57Z-6571-A fits your vehicle.
    Posted and answered by Ford Parts Specialist Matthew
    Q:
    How do you remove the valve spring/damper assembly and the Valve Stem Seal for the 2000 Ford Ranger? Posted by Elizandro F.
    A:
    Use a valve spring compressor to compress the spring/damper assembly, apply air pressure to the cylinder, compress the valve spring, and remove the keepers with small needle-nose pliers or a magnet. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Ford Parts Specialist Sonny / Feb 25, 2026
    Q:
    What should be removed to access the Valve Stem Seal and the valve with the defective part for the 1995 Ford Ranger? Posted by Jumo D.
    A:
    Remove the bolt, pivot, and rocker arm for the valve with the defective part and pull out the pushrod. If all valve stem seals are being replaced, all rocker arms and pushrods should be removed. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Ford Parts Specialist Sonny / Apr 25, 2025

Genuine Ford Part F57Z-6571-A, the Right Choice

To ensure reliability, purchase part # F57Z-6571-A Exhaust Valve Seals. It is also called Valve Stem 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 Mercury Cougar models.

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