Global Parts 1711521 HVAC Pressure Switch

HVAC Pressure Switch for Ford Applications

Global Parts 1711521 is an HVAC pressure switch that sends pressure feedback to the engine management system. On modern vehicles, the ECM uses that signal to manage A/C operation; on earlier systems, the switch can directly shut the compressor off to help prevent compressor damage. This female-connector switch is built for a range of Ford, Mercury, and Lincoln applications, including Ford F-250 Super Duty, Mustang, and Escape.

Key Features

• HVAC pressure switch for A/C system pressure monitoring
• Female connector gender for the listed vehicle applications
• Supports ECM-controlled A/C operation on modern systems
• Can trigger compressor shutdown on earlier systems to protect the compressor
• Global Parts 1711521 replacement part number

Detailed Description

Global Parts 1711521 is an HVAC pressure switch used in air conditioning control circuits to report refrigerant pressure to the vehicle’s control system. In Ford, Mercury, and Lincoln platforms, that feedback helps the ECM regulate compressor operation and maintain proper A/C system protection. This part number 1711521 is a direct-fit style replacement for a wide range of vehicles, including Ford F-250 Super Duty, Ford Mustang, and Ford Escape applications.

This part cross-references Dorman - OE Solutions 901-237 for the same application.

What It Helps Fix

• A/C compressor not engaging due to pressure switch failure
• Intermittent compressor cycling caused by inaccurate pressure feedback
• Compressor shutdown from a faulty HVAC pressure signal
• Loss of ECM communication with the A/C pressure circuit
• Air conditioning performance issues on Ford F-150, Mustang, and Taurus platforms

Installation Notes and Tips

Verify connector style before installation; this switch uses a female connector. Confirm the vehicle’s A/C pressure switch location and compare the original part number 1711521 with the replacement before service. After installation, check system operation and confirm the compressor responds correctly under normal A/C demand.

Quality Assurance

Global Parts supplies replacement HVAC components for vehicle-specific applications, and this pressure switch is listed with confirmed fitment across 2000-2010 Ford, Mercury, and Lincoln models.

Compatible With

• Fits 2010 Ford F-250 Super Duty, N/A
• Fits 2007-2008 Ford F-250 Super Duty, N/A
• Fits 2003-2005 Ford F-250 Super Duty, N/A
• Fits 2001-2009 Ford Mustang, N/A
• Fits 2007-2008 Ford F-350 Super Duty, N/A
• Fits 2003-2004 Ford F-350 Super Duty, N/A
• Fits 2001-2007 Ford Escape, N/A
• Fits 2005-2007 Mercury Mariner, N/A
• Fits 2005-2006 Ford GT, N/A
• Fits 2000-2006 Ford Taurus, N/A
• Fits 2003-2005 Ford Excursion, N/A
• Fits 2000-2005 Mercury Sable, N/A
• Fits 2003-2004 Ford F-150, N/A
• Fits 2004 Ford F-150 Heritage, N/A
• Fits 2001-2002 Ford Crown Victoria, N/A
• Fits 2001-2002 Lincoln Town Car, N/A
• Fits 2001-2002 Mercury Grand Marquis, N/A
• Fits 2000-2001 Ford Sable, N/A