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Make sure this part fits

Mercury D9AZ-6600-A Oil Pump Assembly

1980-1989 Mercury D9AZ6600A

Customer Questions & Expert Answers (3)
D9AZ-6600-A Ford Oil Pump Assembly Product Photo 1 of 1
D9AZ-6600-A Ford Oil Pump Assembly Product Photo 1 of 1
D9AZ-6600-A Ford Oil Pump Assembly Illustration 1 of 1
  • Part Description
    Pump Assy - Oil
  • Base No.
    6600
  • Manufacturer
    Ford
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Specifications
  • Fitment
  • Q&A

  • Related Parts

    Shop for related parts for your vehicle

  • Product Specifications

    BrandGenuine Mercury
    Base No.6600
    Manufacturer Part NumberD9AZ-6600-A, D9AZ6600A
    Part DescriptionPump Assy - Oil
    Other NamesOil Pump
    Item Weight5.50 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerFord
    SKUD9AZ-6600-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
    1980-1989 Mercury Grand Marquis8 Cyl 4.2L, 8 Cyl 5.0L, 8 Cyl 5.8L3AT, 3AT C4, 3AT C6, 4AT AOD
    1983-1986 Mercury Marquis4 Cyl 2.3L, 6 Cyl 3.3L3AT C3, 3AT C5, 4MT

  • Customer Questions & Expert Answers

    Q:
    I am wondering if this is the exact part that fits in.
    A:
    You can Select Your Vehicle to check if D9AZ-6600-A fits your vehicle.
    Posted and answered by Ford Parts Specialist Tim
    Q:
    How should the Oil Pump be cleaned for the 1987 Ford Bronco? Posted by Daria M.
    A:
    Clean the oil pump with solvent and dry it thoroughly with compressed air. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Ford Parts Specialist Sonny / Feb 06, 2026
    Q:
    What is the next step after removing the oil pick-up tube-to-main bearing cap nut for the Oil Pump on the 1988 Mercury Grand Marquis? Posted by Bogart S.
    A:
    Remove the oil pump pick-up tube mounting bolts (and the two bolts to detach the oil pick-up tube). You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Ford Parts Specialist Clayton / May 17, 2026

Genuine Ford Part D9AZ-6600-A, the Right Choice

To ensure reliability, purchase part # D9AZ-6600-A Oil Pump Assembly. It is also called Oil Pump. 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 Grand Marquis, Marquis models.

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