Our electrical and electronic parts are subject to strict quality control testing .  Once the item has been installed or plugged in, it is no longer eligible for a refund.  The item may be eligible for replacement, only if it is found to have a manufacturing defect. Before purchasing, please ensure proper diagnosis of the failed original part is performed

Left Hand Drive Note:

“All of our auto parts are intended for Left Hand Drive USDM vehicles and might not have been tested on Right Hand Drive platforms. If your vehicle is Right Hand Drive, please do your research prior to making a purchase to ensure the part is correct for your specific vehicle.”

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser. Please keep your invoice for proof of this warranty.

  1. step : Removing the Blower Motor Resistor (0:33)
    • Open the glove box
    • Push in the glove box wall on the passenger side
    • Pull down the glove box
    • Disconnect the blower motor resistor wiring harness
    • Remove the two 8mm bolts from the blower motor resistor
    • Pull out the resistor
    • Pull out the gasket
  2. step : Installing the Blower Motor Resistor (1:08)
    • Put the gasket into place on the resistor
    • Put the resistor into place
    • Insert the two 8mm bolts into the resistor
    • Connect the resistor wiring harness
    • Close the glove box

Tools needed for replacement:

    Ratchets & Related

  • Ratchet

  • Sockets - Metric

  • 8mm Socket

5.0 / 5.0
4 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
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An Adequate Replacement
This is the second time I have ordered a blower motor resistor for my 2008 Mercury Mariner. The part arrived very quickly, even sooner than estimated. The part was a perfect fit. The "how-to" video on the site, along with others I found on the internet were very helpful in replacing the part. I just hope that this resistor lasts longer than the last one I installed.
June 26, 2017
Purchased
8 months ago
great find
After about two years of putting up with one speed (high) on my fan in my F150 truck, I finally found out it was the resistor for the fan. I ordered this for about $25.00 and in 25 minutes I had it installed.
Ford Motor Co.wanted $100.00 to look for the problem.
December 27, 2017
Purchased
2 months ago
Exactly what I needed.
Exelent product. Shipping was faster than expected. Did exactly what I hoped it would do. Before the heat and a/c would only blow out when on the highest setting now it works great on all the settings. I would definitely recommend this product if you are having the same problem as I was.
January 29, 2018
Purchased
1 month ago
Heater/AC fan speed control restored
When I was left only with the highest fan speed on my 2009 Ford Escape I googled the problem and was surprised this was a common problem. Further search yielded a great instructional vid along with good price and shipping cost from 1A Auto. I received the item in couple of days with regular mail.
Note: if you have a problem with uncoupling the electrical connector, remove the blower motor resistor first, then uncouple.
September 20, 2017
Purchased
5 months ago
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How-to Video:

(02:17 min)

Tools List:

    Ratchets & Related

  • Ratchet

  • Sockets - Metric

  • 8mm Socket



This part replaces:

  • OE # ZZCA61815
  • OE # 3F2Z18591AA
  • Standard Motor Products RU-440

Vehicle Fit

  • 2008-2012 Ford Escape Blower Motor Resistor with Manual Temperature Control
  • 2007-2017 Ford Expedition Front Blower Motor Resistor with Manual Temperature Control
  • 2004 Ford F150 Truck New Body Style Blower Motor Resistor with Manual Temperature Control
  • 2005-2014 Ford F150 Truck Blower Motor Resistor with Manual Temperature Control
  • 2008-2010 Ford F250 Super Duty Truck Blower Motor Resistor with Manual Temperature Control
  • 2008-2010 Ford F350 Super Duty Truck Blower Motor Resistor with Manual Temperature Control
  • 2008-2010 Ford F450 Truck Blower Motor Resistor with Manual Temperature Control
  • 2008-2010 Ford F550 Truck Blower Motor Resistor with Manual Temperature Control
  • 2011-2013 Ford Fiesta Blower Motor Resistor
  • 2005-2007 Ford Five Hundred Blower Motor Resistor with Manual Temperature Control
  • 2004-2007 Ford Freestar Blower Motor Resistor with Manual Temperature Control
  • 2005-2007 Ford Freestyle Blower Motor Resistor with Manual Temperature Control
  • 2005-2009 Ford Mustang Blower Motor Resistor with Manual Temperature Control
  • 2006-2008 Lincoln Mark LT Blower Motor Resistor
  • 2009-2014 Lincoln Navigator Front Blower Motor Resistor
  • 2008-2011 Mazda Tribute Blower Motor Resistor with Manual Temperature Control
  • 2008-2011 Mercury Mariner Blower Motor Resistor with Manual Temperature Control
  • 2005-2007 Mercury Montego Blower Motor Resistor with Manual Temperature Control
  • 2004-2007 Mercury Monterey Blower Motor Resistor with Manual Temperature Control
Part #: 1AHBR00088

Ships Same Day for orders placed by 4 P.M. ET

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