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Lincoln 1L2Z-19D644-AA Valve Assembly - Pressure Relief

2003-2005 Lincoln 1L2Z19D644AA

Customer Questions & Expert Answers (2)
1L2Z-19D644-AA Ford Valve Assembly - Pressure Relief Product Photo 1 of 1
1L2Z-19D644-AA Ford Valve Assembly - Pressure Relief Product Photo 1 of 1
1L2Z-19D644-AA Ford Valve Assembly - Pressure Relief Illustration 1 of 1
  • Part Description
    Valve Assy - Pressure Relief
  • 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 Lincoln
    Manufacturer Part Number1L2Z-19D644-AA, 1L2Z19D644AA
    Part DescriptionValve Assy - Pressure Relief
    Manufacturer NoteValve Assy - Air Conditioning Compressor Pressure Relief
    Item Dimensions6.1 x 4.0 x 4.2 inches
    Item Weight0.40 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerFord
    SKU1L2Z-19D644-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
    2003-2005 Lincoln Aviator8 Cyl 4.6L DOHC EFI5-Speed Automatic Transmission 5R55S, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
    2003-2005 Lincoln Town Car8 Cyl 4.6L, 8 Cyl 4.6L Romeo SOHC EFI4AT 4R70W, 4-Speed Automatic Transmission 4R70W (AODE), 4-Speed Automatic Transmission 4R75E Livonia, 4-Speed Automatic Transmission AODEW/4R70E W/TSS, 4-Speed Automatic Transmission AODEW/4R70E W/TSS*S/V, 4-Speed Automatic Transmission AODEW/4R75E W/TSS S/V, 4-Speed Automatic Transmission NAAO AODEW/4R70W*S/VIL, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)

  • Customer Questions & Expert Answers

    Q:
    Does the PN fit my vehicle?
    A:
    You can Select Your Vehicle to check if 1L2Z-19D644-AA fits your vehicle.
    Posted and answered by Ford Parts Specialist Sonny
    Q:
    How can the HVAC Pressure Switch be replaced for the 2002 Mercury Mountaineer? Posted by Lamont M.
    A:
    To replace the switch, first unplug the electrical connector from the switch. Then, unscrew the switch from the Schrader valve. Since both switches are threaded onto Schrader valves, it isn't necessary to discharge the air conditioning system. Next, lubricate the switch O-ring with clean refrigerant oil of the correct type. Screw the new switch onto the threads until hand tight, 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 Patrick / Dec 23, 2023

Genuine Ford Part 1L2Z-19D644-AA, the Right Choice

To ensure reliability, purchase part # 1L2Z-19D644-AA Valve Assembly - Pressure Relief. It is also called A/C System Valve Core, 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 Lincoln Aviator, Town Car models.

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