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Description
xOverview
The Marsflex Blower Motor Resistor is a replacement module crafted for manual air conditioning systems in a range of Ford, Lincoln, and Mercury models. It works by regulating the electrical current sent to the blower motor, helping you tune airflow without altering the rest of the climate system.
Compatibility and OE References
Designed to align with key OE references for manual AC control, this resistor is intended as a reliable substitute for select Ford, Lincoln, and Mercury vehicles. The product supports a broad catalog of common applications and is suitable for use where a manual fan speed setting is required.
- Ford: 2008-2012 Escape; 2007-2017 Expedition; 2004-2014 F-150; 2008-2010 F-250/350/450/550 Super Duty; 2011-2013 Fiesta; 2005-2007 Five Hundred; 2004-2007 Freestar; 2005-2007 Freestyle; 2005-2009 Mustang
- Lincoln: 2006-2008 Mark LT
- Mercury: 2008-2011 Mariner; 2005-2007 Montego; 2004-2007 Monterey
What’s Included & How It Helps
- 1 x AC blower motor resistor
- 1-year warranty
- Designed for easy installation and safe operation
How It Works
When you adjust the fan speed, the resistor limits the current reaching the blower motor. The higher the speed setting, the more current is allowed, resulting in faster airflow. This behavior mirrors standard manual AC control expectations.
Why Choose Marsflex
Marsflex brings more than five decades of electrical component experience to its line. This resistor is engineered to meet or exceed OE design and performance, backed by rigorous testing, quality materials, and a focus on dependable replacement parts for everyday use. The goal is straightforward replacement with steady operation and peace of mind for drivers and technicians alike.
FAQ
Q: Is this Marsflex blower resistor compatible with my Ford F-150 manual AC?
A: Yes for many 2004-2014 F-150 manual AC systems; verify OE number 3F2Z-18591-AA before purchase.
Q: What’s included and is there a warranty?
A: Includes one blower motor resistor; 1-year warranty; easy installation with standard wiring.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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