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Mercury 3M4Z-8575-B Engine Coolant Thermostat / Water Outlet - 82C

2005-2011 Mercury 3M4Z8575B

Customer Questions & Expert Answers (6)
3M4Z-8575-B Ford Engine Coolant Thermostat / Water Outlet - 82C Product Photo 1 of 4
3M4Z-8575-B Ford Engine Coolant Thermostat / Water Outlet - 82C Product Photo 1 of 4
3M4Z-8575-B Ford Engine Coolant Thermostat / Water Outlet - 82C Product Photo 2 of 4
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3M4Z-8575-B Ford Engine Coolant Thermostat / Water Outlet - 82C Illustration 1 of 1
  • Base No.
    8575
  • Replaces
    3M4Z-8575-A, 3M4Z-8575-AB
  • Manufacturer
    Ford
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  • Specifications
  • Fitment
  • Q&A

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  • Product Specifications

    BrandGenuine Mercury
    Base No.8575
    Manufacturer Part Number3M4Z-8575-B, 3M4Z8575B
    Part DescriptionEngine Coolant Thermostat / Water Outlet - 82C
    Item Dimensions8.6 x 7.8 x 8.0 inches
    Item Weight1.00 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces3M4Z-8575-A, 3M4Z-8575-AB
    ManufacturerFord
    SKU3M4Z-8575-B
    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
    2005-2011 Mercury Mariner4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 4 Cyl 2.5L Duratec (110kW/150PS), 4 Cyl 2.5L PFI Gas/Electric4AT CD4E, 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), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
    2006-2011 Mercury Milan4 Cyl 2.3L, 4 Cyl 2.5L Duratec HE PFI, 4 Cyl 2.5L PFI Gas/Electric5-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:
    I would like to know is this part gonna fit with my car.
    A:
    You can Select Your Vehicle to check if 3M4Z-8575-B fits your vehicle.
    Posted and answered by Ford Parts Specialist George
    Q:
    What preliminary checks should be performed before assuming the Thermostat as the cause of a cooling system issue for the 2007 Ford Ranger? Posted by Verified Customer
    A:
    Preliminary checks should include verifying the coolant level, Serpentine Belt tension, and temperature gauge operation. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Ford Parts Specialist Jack / Nov 25, 2023
    Q:
    What should you do if the Thermostat housing cover is corroded or damaged during hose removal for the 2019 Ford Fusion? Posted by Johnathon N.
    A:
    If the thermostat housing cover is corroded or damaged during hose removal, it should be replaced. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Ford Parts Specialist George / Dec 15, 2025
    Q:
    Does this include thermostat,gasket and the housing? Posted by Robert W. / 2009 Ford Fusion
    A:
    YES THAT LOOKS TO BE CORRECT
    Answered by Ford Parts Specialist Bastien / Feb 21, 2023
    Q:
    What is the operating temperature at which this thermostat will open? Posted by Jenny S.
    A:
    The thermostat opens at 190 degrees
    Answered by Ford Parts Specialist Rick / May 07, 2021
    Q:
    Does this thermostat assembly come with a gasket? Posted by Rhyan K.
    A:
    Yes, this thermostat assembly comes with a gasket
    Answered by Ford Parts Specialist Tim / May 07, 2021

Genuine Ford Part 3M4Z-8575-B, the Right Choice

To ensure reliability, purchase part # 3M4Z-8575-B Engine Coolant Thermostat / Water Outlet - 82C. It is also called Thermostat. 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 Mariner, Milan models.

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