HVAC Blower Motor Resistor for Ford, Lincoln, Mercury – Replaces YH1715, 3F2Z-18591-AA

Compatible Vehicles

This blower motor resistor is designed for manual AC control systems and fits a wide range of Ford, Lincoln, and Mercury vehicles, including:

• Ford: Escape (2008–2012), Expedition (2007–2017), F-150 (2004–2014), F-250/F-350/F-450/F-550 Super Duty (2008–2010), Mustang (2005–2009), Fiesta (2011–2013), Five Hundred, Freestar, Freestyle
• Lincoln: Mark LT (2006–2008)
• Mercury: Mariner (2008–2011), Montego, Monterey

OEM Part Numbers

YH1715, 3F2Z18591AA, 973-444, RU-440

Key Features

• Controls fan speed in your HVAC system
• Direct factory replacement for reliable performance
• 4-pin plug, manual AC compatible
• Easy installation – plug and play
• Made of high-quality materials for extended lifespan
• Meets or exceeds OEM standards

Common Symptoms Solved

• HVAC fan not working
• Fan only operates at one speed
• Unable to adjust air volume
• Dashboard HVAC warning

Installation Notes

• Located on lower passenger side dashboard
• Clean blower motor dust with professional detergent only – do not use water