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Dorman 973-398 HVAC Blower Motor Resistor - Front
Reliable HVAC Blower Motor Resistor for Ford, Lincoln, and Mercury Vehicles
The Dorman 973-398 HVAC blower motor resistor is designed to restore proper blower motor function in select Ford, Lincoln, and Mercury models. Engineered with precise specifications, this resistor ensures consistent airflow control for your vehicle's heating and cooling system.
- Compatible with Ford Escape, Expedition, Explorer, F-250 Super Duty, F-350 Super Duty, Five Hundred, Flex, Freestyle, Mariner, Mustang, Taurus, Taurus X
- Also fits Lincoln MKS, MKT, MKX, Navigator, and Mercury Mariner, Montego, Sable models
- Features 2 bolt holes for secure mounting
- Equipped with a single rectangular female connector housing 4 male blade terminals
- Does not include wiring harness or mounting hardware
- Includes blower motor resistor and installation instructions
Product Details and Specifications
The Dorman 973-398 blower motor resistor is built to meet OEM standards for HVAC system performance. It features two bolt holes for stable installation and a rectangular female connector designed to interface with four male blade terminals. This configuration ensures reliable electrical connections and consistent blower motor speed regulation. The resistor does not come with a wiring harness or mounting hardware, so existing components should be reused during replacement. The package includes the resistor unit and detailed instructions to assist with installation.
Common Applications and Problem Resolution
This blower motor resistor is compatible with a range of Ford, Lincoln, and Mercury vehicles, including popular models such as the Ford Mustang, Explorer, and F-250 Super Duty, as well as the Lincoln Navigator and Mercury Mariner. It addresses several HVAC system issues, including:
- Blower motor only working on high speed
- Intermittent or no airflow from vents
- Inconsistent blower motor speeds
- Complete failure of the blower motor resistor circuit
- HVAC system overheating due to resistor malfunction
Installation Notes and Tips
When installing the Dorman 973-398 blower motor resistor, ensure the vehicleโs ignition is off and the battery is disconnected to prevent electrical hazards. Retain the original mounting hardware and wiring harness, as these are not included with the resistor. Carefully disconnect the rectangular female connector from the old resistor and connect it to the new unit, verifying that all four male blade terminals are properly seated. Secure the resistor using the two bolt holes to prevent vibration or loosening during vehicle operation.
Quality Assurance and Warranty Information
Dorman parts are manufactured to meet or exceed OEM specifications, providing dependable performance for your HVAC system. The 973-398 blower motor resistor undergoes rigorous quality control testing to ensure durability and functionality. This part is backed by Dormanโs limited warranty, covering defects in material and workmanship under normal use conditions.
| Brand | Dorman |
|---|---|
| Part Number | 973-398 |
| Bolt Hole Quantity | 2 |
| Connector Gender | Female |
| Connector Quantity | 1 |
| Connector Shape | Rectangular |
| Mounting Hardware Included | No |
| Package Contents | Blower Motor Resistor and Instructions |
| Terminal Gender | Male |
| Terminal Quantity | 4 |
| Terminal Type | Blade |
| Wire Quantity | 0 |
| Wiring Harness Included | No |
This part fits 111 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2019 | Ford | Explorer | N/A | Dual Zone Automatic Temperature Control |
| 2019 | Ford | Flex | N/A | Dual Zone Automatic Temperature Control |
| 2019 | Ford | Taurus | N/A | Dual Zone Automatic Temperature Control |
| 2019 | Lincoln | MKT | N/A | Dual Zone Automatic Temperature Control |
| 2018 | Ford | Explorer | N/A | Dual Zone Automatic Temperature Control |
| 2018 | Ford | Flex | N/A | Dual Zone Automatic Temperature Control |
| 2018 | Ford | Taurus | N/A | Dual Zone Automatic Temperature Control |
| 2018 | Lincoln | MKT | N/A | Dual Zone Automatic Temperature Control |
| 2017 | Ford | Expedition | Front | Dual Zone Automatic Temperature Control |
| 2017 | Ford | Explorer | N/A | Dual Zone Automatic Temperature Control |
| 2017 | Ford | Flex | N/A | Dual Zone Automatic Temperature Control |
| 2017 | Ford | Taurus | N/A | Dual Zone Automatic Temperature Control |
| 2017 | Lincoln | MKT | N/A | Dual Zone Automatic Temperature Control |
| 2017 | Lincoln | Navigator | Front | Dual Zone Automatic Temperature Control |
| 2016 | Ford | Expedition | Front | Dual Zone Automatic Temperature Control |
| 2016 | Ford | Explorer | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2016 | Ford | Flex | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2016 | Ford | Taurus | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2016 | Lincoln | MKS | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2016 | Lincoln | MKT | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2016 | Lincoln | Navigator | Front | Dual Zone Automatic Temperature Control |
| 2015 | Ford | Expedition | Front | Dual Zone Automatic Temperature Control |
| 2015 | Ford | Explorer | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2015 | Ford | Flex | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2015 | Ford | Taurus | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2015 | Lincoln | MKS | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2015 | Lincoln | MKT | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2015 | Lincoln | Navigator | Front | Dual Zone Automatic Temperature Control |
| 2014 | Ford | Expedition | Front | Dual Zone Automatic Temperature Control |
| 2014 | Ford | Explorer | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2014 | Ford | F-150 | N/A | Dual Zone Automatic Temperature Control |
| 2014 | Ford | Flex | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2014 | Ford | Mustang | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2014 | Ford | Taurus | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2014 | Lincoln | MKS | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2014 | Lincoln | MKT | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2014 | Lincoln | Navigator | Front | Dual Zone Automatic Temperature Control |
| 2013 | Ford | Expedition | Front | Dual Zone Automatic Temperature Control |
| 2013 | Ford | Explorer | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2013 | Ford | F-150 | N/A | Dual Zone Automatic Temperature Control |
| 2013 | Ford | Flex | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2013 | Ford | Mustang | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2013 | Ford | Taurus | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2013 | Lincoln | MKS | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2013 | Lincoln | MKT | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2013 | Lincoln | Navigator | Front | Dual Zone Automatic Temperature Control |
| 2012 | Ford | Escape | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2012 | Ford | Expedition | Front | Dual Zone Automatic Temperature Control |
| 2012 | Ford | Explorer | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2012 | Ford | F-150 | N/A | Dual Zone Automatic Temperature Control |
| 2012 | Ford | Flex | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2012 | Ford | Mustang | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2012 | Ford | Taurus | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2012 | Lincoln | MKS | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2012 | Lincoln | MKT | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2012 | Lincoln | Navigator | Front | Dual Zone Automatic Temperature Control |
| 2011 | Ford | Escape | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2011 | Ford | Expedition | Front | Dual Zone Automatic Temperature Control |
| 2011 | Ford | Explorer | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2011 | Ford | F-150 | N/A | Dual Zone Automatic Temperature Control |
| 2011 | Ford | Flex | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2011 | Ford | Mustang | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2011 | Ford | Taurus | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2011 | Lincoln | MKS | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2011 | Lincoln | MKT | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2011 | Lincoln | Navigator | Front | Dual Zone Automatic Temperature Control |
| 2011 | Mercury | Mariner | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2010 | Ford | Escape | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2010 | Ford | Expedition | Front | Dual Zone Automatic Temperature Control |
| 2010 | Ford | F-150 | N/A | Dual Zone Automatic Temperature Control |
| 2010 | Ford | F-250 Super Duty | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2010 | Ford | F-350 Super Duty | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2010 | Ford | Flex | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2010 | Ford | Mustang | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2010 | Ford | Taurus | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2010 | Lincoln | MKS | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2010 | Lincoln | MKT | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2010 | Lincoln | Navigator | Front | Dual Zone Automatic Temperature Control |
| 2010 | Mercury | Mariner | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2009 | Ford | Escape | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2009 | Ford | Expedition | Front | Dual Zone Automatic Temperature Control |
| 2009 | Ford | F-150 | N/A | Dual Zone Automatic Temperature Control |
| 2009 | Ford | F-250 Super Duty | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2009 | Ford | F-350 Super Duty | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2009 | Ford | Flex | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2009 | Ford | Taurus | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2009 | Ford | Taurus X | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2009 | Lincoln | MKS | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2009 | Lincoln | Navigator | Front | Dual Zone Automatic Temperature Control |
| 2009 | Mercury | Mariner | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2009 | Mercury | Sable | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2008 | Ford | Escape | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2008 | Ford | Expedition | Front | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2008 | Ford | F-250 Super Duty | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2008 | Ford | F-350 Super Duty | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2008 | Ford | Taurus | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2008 | Ford | Taurus X | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2008 | Lincoln | Navigator | Front | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2008 | Mercury | Mariner | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2008 | Mercury | Sable | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2007 | Ford | Expedition | Front | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2007 | Ford | Five Hundred | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2007 | Ford | Freestyle | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2007 | Lincoln | Navigator | Front | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2007 | Mercury | Montego | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2006 | Ford | Five Hundred | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2006 | Ford | Freestyle | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2006 | Mercury | Montego | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2005 | Ford | Five Hundred | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2005 | Ford | Freestyle | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
| 2005 | Mercury | Montego | N/A | Compatible with vehicles featuring Dual Zone Automatic Temperature Control. |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.