Below are the ignition coils currently available from AA Ignition. We are constantly adding more ignition coils to our catalog so check back for new products.

HVAC Blower Motor Resistor - For Ford - Replaces# 3F2Z-18591-AA, YH-1715

HVAC Blower Motor Resistor - For Ford - Replaces# 3F2Z-18591-AA, YH-1715 Image
  • 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.
  • FITS THE FOLLOWING VEHICLES – 2008 – 2012 Ford Escape | 2007 – 2017 Ford Expedition | 2004 – 2014 Ford F-150 | 2008 – 2010 Ford F-250, 350, 450, 550 Super Duty | 2006 – 2008 Lincoln Mark LT | 2008 – 2011 Mercury 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 Ford, Mercury or Lincoln 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 Ford F 150, Lincoln Mark LT, Mercury Mariner or other vehicle simply contact us for a replacement.

The 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 switch control or your AC and heater no longer blows chances are you need a new Blower Motor Resistor

The AC Blower Motor Resistor is located on lower passenger side dash and is easily accessible by removing a few screws. Installation can be completed in under 20 minutes and you can save hundreds by doing this repair yourself.

Only fits models with MANUAL AC controls. If you are unsure remove your factory blower resistor and insure it looks like the one pictured

Fits the following vehicles:

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

Replaces part numbers:

    •  3F2Z-18591-AA, YH-1715, 973-444, 3F2Z18591AA, YH1715, 973444
    • This part is not a genuine Ford, Mercury or Lincoln part, it is manufactured by AA Ignition and comes with a lifetime warranty.
    The terms Ford, Mercury, Lincoln and their associated models are only used to identify which vehicles this part fits.

HVAC Blower Motor Resistor - For Ford - Replaces# 3F2Z-18591-AA, YH-1715

HVAC Blower Motor Resistor - For Ford - Replaces# 3F2Z-18591-AA, YH-1715 Image
  • 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.
  • FITS THE FOLLOWING VEHICLES – 2008 – 2012 Ford Escape | 2007 – 2017 Ford Expedition | 2004 – 2014 Ford F-150 | 2008 – 2010 Ford F-250, 350, 450, 550 Super Duty | 2006 – 2008 Lincoln Mark LT | 2008 – 2011 Mercury 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 Ford, Mercury or Lincoln 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 Ford F 150, Lincoln Mark LT, Mercury Mariner or other vehicle simply contact us for a replacement.

The 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 switch control or your AC and heater no longer blows chances are you need a new Blower Motor Resistor

The AC Blower Motor Resistor is located on lower passenger side dash and is easily accessible by removing a few screws. Installation can be completed in under 20 minutes and you can save hundreds by doing this repair yourself.

Only fits models with MANUAL AC controls. If you are unsure remove your factory blower resistor and insure it looks like the one pictured

Fits the following vehicles:

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

Replaces part numbers:

    •  3F2Z-18591-AA, YH-1715, 973-444, 3F2Z18591AA, YH1715, 973444
    • This part is not a genuine Ford, Mercury or Lincoln part, it is manufactured by AA Ignition and comes with a lifetime warranty.
    The terms Ford, Mercury, Lincoln and their associated models are only used to identify which vehicles this part fits.