3F2Z-18591-AA HVAC Blower Motor Resistor – Compatible with Ford, Lincoln, Mercury Vehicles – Expedition, Escape, F150, F250, F350 Super Duty, Mustang, Mark LT, Mariner Replaces YH-1715,

About this item Replacement HVAC Blower Motor Resistor – Controls the fan speed in your AC and heating system. If you can no longer adjust the air speed with your AC controls or your air conditioner system no longer blows chances are you need a new Blower Motor Resistor. Compatible Replacement for Ford, Lincoln & Mercury Vehicles – 2008 – 2012 Escape | 2007 – 2017 Expedition | 2004 – 2014 F-150 | 2008 – 2010 F-250, 350, 450, 550 Super Duty | 2006 – 2008 Mark LT | 2008 – 2011 Mariner | And More, SEE BELOW for all vehicles. Replaces Part# – 3F2Z18591AA, YH1715, 973-444 – Easily installs into your AC blower motor. Simply remove the screws that secure the blower motor resistor into the blower, remove the resistor assembly, and install the new resistor in place. OEM Fit, Quality, Finish – While this is NOT a genuine OEM part, it is a direct replacement. Only fits models with MANUAL AC controls. Fits various model years including 04, 05, 06, 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17. Lifetime Warranty – This HVAC Blower Fan Motor Resister comes complete with a Lifetime Warranty. If the resistor ever fails on your F 150, Mark LT, Mariner or other vehicle simply contact us for a replacement.