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Mercury YF1Z-19D594-AA Vacuum Air Conditioning System Switch

2000-2007 Mercury YF1Z19D594AA

Customer Questions & Expert Answers (3)
YF1Z-19D594-AA Ford Vacuum Air Conditioning System Switch Product Photo 1 of 4
YF1Z-19D594-AA Ford Vacuum Air Conditioning System Switch Product Photo 1 of 4
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YF1Z-19D594-AA Ford Vacuum Air Conditioning System Switch Illustration 1 of 1
  • Part Description
    Switch - Air Conditioning System - Vacuum
  • Replaced By
    8C3Z-19D594-A
  • Manufacturer
    Ford
Make sure this part fits
$36.03 MSRP: $58.36
You Save: $22.33 (39%)
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  • Specifications
  • Fitment
  • Q&A

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  • Product Specifications

    BrandGenuine Mercury
    Manufacturer Part NumberYF1Z-19D594-AA, YF1Z19D594AA
    Part DescriptionVacuum Air Conditioning System Switch; Switch - Air Conditioning System - Vacuum
    Item Dimensions2.3 x 1.5 x 1.5 inches
    Item Weight0.40 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerFord
    SKUYF1Z-19D594-AA
    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
    2001-2002 Mercury Grand Marquis8 Cyl 4.6L4AT 4R70W
    2005-2007 Mercury Mariner4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 6 Cyl 3.0L DOHC EFI Modular4AT 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)
    2000-2005 Mercury Sable6 Cyl 3.0L4AT 4F50N, 4AT AX4N, 4AT AX4S, 6AT

  • Customer Questions & Expert Answers

    Q:
    Will these fit my car and if not which part will? Thank you.
    A:
    You can Select Your Vehicle to check if YF1Z-19D594-AA fits your vehicle.
    Posted and answered by Ford Parts Specialist Jack
    Q:
    Are transducers used on the 2007 Ford Mustang only, or do they also include the HVAC Pressure Switch? Posted by Gretchen G.
    A:
    Yes, transducers are used on V6 engine models only. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Ford Parts Specialist George / Feb 04, 2026
    Q:
    How can the HVAC Pressure Switch be replaced for the 2002 Ford Escape? Posted by Mohs A.
    A:
    To replace the pressure cycling switch, unplug the electrical connector, unscrew the switch from the accumulator, lubricate the switch o-ring with clean refrigerant oil, screw the new switch onto the accumulator threads until hand tight, and then tighten it securely. Finally, reconnect the electrical connector. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Ford Parts Specialist Joseph / Jul 15, 2022

Genuine Ford Part YF1Z-19D594-AA, the Right Choice

To ensure reliability, purchase part # YF1Z-19D594-AA Vacuum Air Conditioning System Switch. It is also called A/C Compressor Cut-Out Switches, HVAC Pressure Switch. 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, Mariner, Sable models.

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