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Make sure this part fits

Ford F77Z-8501-AD Water Pump Assembly

1997-2005 Ford F77Z8501AD

Customer Questions & Expert Answers (2)
F77Z-8501-AD Ford Water Pump Assembly Product Photo 1 of 4
F77Z-8501-AD Ford Water Pump Assembly Product Photo 1 of 4
F77Z-8501-AD Ford Water Pump Assembly Product Photo 2 of 4
F77Z-8501-AD Ford Water Pump Assembly Product Photo 3 of 4
F77Z-8501-AD Ford Water Pump Assembly Product Photo 4 of 4
F77Z-8501-AD Ford Water Pump Assembly Illustration 1 of 1
  • Part Description
    Pump Assembly - Water
  • Replaced By
    6L2Z-8501-C
  • Manufacturer
    Ford
Make sure this part fits
$130.20 MSRP: $210.91
You Save: $80.71 (39%)
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  • Specifications
  • Fitment
  • Q&A

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  • Product Specifications

    BrandGenuine Ford
    Manufacturer Part NumberF77Z-8501-AD, F77Z8501AD
    Part DescriptionWater Pump Assembly; Pump Assembly - Water
    Manufacturer Note#97JM 8501-AD - does not include 1L2Z-8507-AA gasket, SOHC
    Item Dimensions14.8 x 7.8 x 9.1 inches
    Item Weight7.40 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerFord
    SKUF77Z-8501-AD
    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
    1997-2005 Ford Explorer6 Cyl 4.0L, 6 Cyl 4.0L SOHC EFI4AT 4R70W, 5AT 5R55E, 5MT, 5-Speed Automatic Transmission 5R55S, 5-Speed Automatic Transmission 5R55W, 5-Speed Manual Transmission (M5R4), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission 6R60, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Right Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
    2001-2003 Ford Explorer Sport6 Cyl 4.0L SOHC EFI5-Speed Automatic Transmission - 5R44E/5R55E, 5-Speed Manual Transmission - R1HD, Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
    2001-2005 Ford Explorer Sport Trac6 Cyl 4.0L SOHC EFI5-Speed Automatic Transmission - 5R44E/5R55E, 5-Speed Manual Transmission - R1HD, Four-Wheel Drive, Left Hand Drive, Two-Wheel Drive
    2005 Ford Mustang6 Cyl 4.0L SOHC EFI5-Speed Automatic Transmission 5R55S, 5-Speed Manual Transmission T5OD, 5-Speed Manual Transmission TR3650, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
    2001-2005 Ford Ranger6 Cyl 4.0L, 6 Cyl 4.0L SOHC EFI4AT 4R44E, 5AT 5R44E, 5AT 5R55E, 5MT, 5-Speed Automatic Transmission - 5R44E/5R55E, 5-Speed Manual Transmission - R1HD, 5-Speed Manual Transmission M5R1, Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
    1998-2005 Mercury Mountaineer6 Cyl 4.0L, 6 Cyl 4.0L SOHC EFI4AT 4R70W, 5AT 5R55E, 5-Speed Automatic Transmission 5R55S, 5-Speed Automatic Transmission 5R55W, 5-Speed Manual Transmission (M5R4), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission 6R60, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Right Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)

  • Customer Questions & Expert Answers

    Q:
    Is this the correct part for the attached VIN?
    A:
    You can Select Your Vehicle to check if F77Z-8501-AD fits your vehicle.
    Posted and answered by Ford Parts Specialist Matthew
    Q:
    How to check and replace a Water Pump on Ford Explorer Sport Trac? Posted by Raimondas M.
    A:
    When the engine is hot, you should press the upper radiator hose to check if the water pump is alright. A flashlight can be used to find leaks through weep or vent holes. At the front of the engine listen for a howling sound and then check for shaft wear. Before removing the fan, pulley and hoses, drain the cooling system by disconnecting the battery since power will be shut off. Then go ahead and take out alternator only if necessary. Seal up every surface, attach a new pump with gasket, and tighten bolts. Lastly, after reinstalling all parts, fill up your system again ensuring that belt tension is ok when starting your car and run it while checking for any leaks.
    You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Ford Parts Specialist Sonny / Oct 17, 2025

Genuine Ford Part F77Z-8501-AD, the Right Choice

To ensure reliability, purchase part # F77Z-8501-AD Water Pump Assembly. It is also called Water 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 Ford Explorer, Mustang, Ranger models. It fits Mercury Mountaineer.

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