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Ford 4L3Z-19D644-A Valve Assembly - Pressure Relief

2004-2011 Ford 4L3Z19D644A

Ford 4L3Z-19D644-A Valve Assembly - Pressure Relief
Ford 4L3Z-19D644-A Valve Assembly - Pressure Relief
  • Part Description
    Valve Assy - Pressure Relief
  • Base No.
    19D644
  • Manufacturer
    Ford
Customer Questions & Answers
$11.12 MSRP: $17.73
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  • Product Specifications

    BrandGenuine Ford
    Base No.19D644
    Manufacturer Part Number4L3Z-19D644-A, 4L3Z19D644A
    Part DescriptionValve Assy - Pressure Relief
    Manufacturer NoteValve Assy - Air Conditioning Compressor Pressure Relief
    Item Dimensions6.3 x 4.1 x 4.0 inches
    Item Weight0.80 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerFord
    SKU4L3Z-19D644-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
    2007 Ford Escape6 Cyl 3.0L DOHC EFI Modular4AT 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
    2005-2006 Ford Expedition8 Cyl 5.4L4AT 4R75W, 4-Speed Automatic Transmission 4R70W (AODE), 4-Speed Automatic Transmission 4R75E Livonia, 4-Speed Automatic Transmission AODEW/4R75E W/TSS, 6-Speed Automatic Transmission (6R75), 6-Speed Automatic Transmission (6R80), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
    2007-2010 Ford Explorer Sport Trac6 Cyl 4.0L SOHC EFI, 8 Cyl 4.6L5-Speed Automatic Transmission 5R55S, 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), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
    2004-2006 Ford F-1508 Cyl 4.6L Romeo SOHC EFI, 8 Cyl 4.6L Windsor SOHC EFI, 8 Cyl 5.4L4-Speed Automatic Transmission 4R75E Livonia, 4-Speed Automatic Transmission AODEW/4R70E W/TSS, 4-Speed Automatic Transmission AODEW/4R75E W/TSS, 5-Speed Manual Transmission - Mazda M5R2-C, Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
    2005-2007 Ford F-250 Super Duty10 Cyl 6.8L EFI, 8 Cyl 5.4L5-Speed Automatic Transmission 5R110W - HI/Torque, 5-Speed Automatic Transmission 5R110W NAAO, 5-Speed Manual Transmission-Tremec TR4050, 6-Speed Manual Transmission M6HD-W, 6-Speed Manual Transmission Z/F S6-650, Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
    2005-2007 Ford F-350 Super Duty10 Cyl 6.8L EFI, 8 Cyl 5.4L5-Speed Automatic Transmission 5R110W - HI/Torque, 5-Speed Automatic Transmission 5R110W NAAO, 5-Speed Manual Transmission-Tremec TR4050, 6-Speed Manual Transmission M6HD-W, 6-Speed Manual Transmission Z/F S6-650, Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
    2005-2007 Ford F-450 Super Duty10 Cyl 6.8L EFI, 8 Cyl 5.4L5-Speed Automatic Transmission 5R110W - HI/Torque, 5-Speed Automatic Transmission 5R110W NAAO, 5-Speed Manual Transmission-Tremec TR4050, 6-Speed Manual Transmission M6HD-W, 6-Speed Manual Transmission Z/F S6-650, Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
    2005-2007 Ford F-550 Super Duty10 Cyl 6.8L EFI, 8 Cyl 5.4L5-Speed Automatic Transmission 5R110W - HI/Torque, 5-Speed Automatic Transmission 5R110W NAAO, 5-Speed Manual Transmission-Tremec TR4050, 6-Speed Manual Transmission M6HD-W, 6-Speed Manual Transmission Z/F S6-650, Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
    2005-2011 Ford Ranger4 Cyl 2.3L NA Petrol, 6 Cyl 3.0L OHV EFI, 6 Cyl 4.0L SOHC EFI5-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)
    2006 Lincoln Mark LT8 Cyl 4.6L Romeo SOHC EFI, 8 Cyl 5.4L4-Speed Automatic Transmission 4R75E Livonia, 4-Speed Automatic Transmission AODEW/4R70E W/TSS, 4-Speed Automatic Transmission AODEW/4R75E W/TSS, 5-Speed Manual Transmission - Mazda M5R2-C, Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Customer Questions & Answers

Q:
Is the the correct part for the attached VIN? Posted by FordPartsGiant Specialist
A:
You can Select Your Vehicle to check if 4L3Z-19D644-A fits your vehicle.
Posted by FordPartsGiant Specialist
Q:
What is the purpose and location of the pressure cycling switch in A/C systems? Posted by Customer
A:
This switch is used only on 2008 and earlier models with accumulators. Later models with receiver/driers don't use a pressure cycling switch. The pressure cycling switch is located on top of the accumulator and detects low refrigerant line pressure at 22 to 28 psi. It switches the A/C system off and then back on again at 40 to 47 psi. If the pressure increases over 550 psi, the pressure cut-off switch shuts the system off. 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.
Posted by FordPartsGiant Specialist
If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

Genuine Ford Part 4L3Z-19D644-A, the Right Choice

Your vehicle deserves only genuine OEM Ford parts and accessories. To ensure reliability, purchase Ford part # 4L3Z-19D644-A Valve Assembly - Pressure Relief with base parts number 19D644. It is sometimes referred to as Ford HVAC Pressure Switch, Ford A/C System Valve Core. Our Ford parts and accessories are expedited directly from authorized Ford dealers strategically located all across the U.S. and are backed by the manufacturer's 12 month, 12,000 mile warranty. OEM Ford parts are the best for restoring your vehicle to factory condition performance. This part fits specific Ford Escape, F-150, Ranger models. It fits Lincoln Mark LT, Navigator. It also fits Mercury Mariner.

Affordable, reliable and built to last, Ford part # 4L3Z19D644A Valve Assembly - Pressure Relief stands out as the smart option. FordPartsGiant.com is your prime online source with the biggest and best selection of genuine Ford parts and accessories at giant discounted prices. We have the OEM Ford parts and accessories you need at the wholesale prices. FordPartsGiant.com has you covered no matter what type of Ford vehicle you drive. For detailed Ford parts information, click here.

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