OE Quality
60-Day Returns

Standard Ignition RU-573 HVAC Blower Motor Resistor - Front
Reliable HVAC Blower Motor Resistor for Ford, Lincoln, Mazda, and Mercury
The Standard Ignition RU-573 HVAC blower motor resistor is designed to restore proper blower motor function in select Ford, Lincoln, Mazda, and Mercury vehicles. Engineered with an electronic coil type and a bolt-on attachment method, this resistor ensures consistent performance for your vehicle's HVAC system.
- Compatible with Ford Escape, Expedition, Explorer, F-250 Super Duty, F-350 Super Duty, Mustang, Taurus, and more
- Electronic coil type for precise blower motor speed control
- Bolt-on attachment method with included mounting bracket for secure installation
- Rectangular, oval female connector with 4 cavities and 4 male blade terminals
- Supports 3-5 blower motor speeds for versatile HVAC operation
Product Features and Specifications
The RU-573 blower motor resistor from Standard Ignition features a female connector with a rectangular, oval shape and four connector cavities, designed to interface with the vehicle's wiring harness. It includes a mounting bracket for easy bolt-on installation but does not come with additional hardware or wiring harness. The resistor supports multiple blower motor speeds, ranging from 3 to 5, allowing for precise control of the HVAC blower motor in your vehicle.
Compatible Vehicles and Applications
This HVAC blower motor resistor is compatible with a range of Ford, Lincoln, Mazda, and Mercury models, including the Ford Escape, Expedition, Explorer, F-250 Super Duty, F-350 Super Duty, Mustang, Taurus, Taurus X, and the Lincoln Navigator, MKS, MKT, as well as the Mazda Tribute and Mercury Mariner, Five Hundred, Flex, Freestyle, and Montego. The RU-573 part number ensures you receive the correct resistor for these specific applications.
Common HVAC Issues Addressed
- Inconsistent blower motor speeds or blower stuck on one speed
- Blower motor not operating at all
- Intermittent HVAC blower function
- Overheating or failure of the blower motor resistor
- Loss of HVAC system airflow control
Installation Notes and Tips
- Ensure the vehicle is turned off and the battery is disconnected before installation
- Locate the blower motor resistor, typically near the blower motor housing under the dashboard or glove box
- Remove the old resistor by unbolting and disconnecting the wiring connector
- Install the RU-573 resistor using the included mounting bracket and bolt it securely
- Reconnect the wiring harness to the female connector and verify proper fit
- Test the blower motor speeds to confirm correct operation before reassembling panels
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The RU-573 blower motor resistor undergoes rigorous quality control testing to maintain consistent electrical resistance and fitment. Please refer to Standard Ignition's warranty policy for specific coverage details.
| Brand | Standard Ignition |
| Part Number | RU-573 |
| Attachment Method | Bolt On |
| Coil Type | Electronic |
| Connector Gender | Female |
| Connector Shape | Rectangular, Oval |
| Hardware Included | No |
| Harness Length - cm | No wire |
| Harness Length - inches | No wire |
| Mounting Bracket(s) Included | Yes |
| Number Of Connector Cavities | 4 |
| Number Of Speeds | 3-5 Speed |
| Terminal Gender | Male |
| Terminal Type | Blade |
| Wiring Harness Included | No |
This part fits 80 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2019 | Ford | Explorer | Front | |||
| 2019 | Ford | Flex | Front | |||
| 2019 | Ford | Taurus | 3.5L | V6 | N/A | |
| 2019 | Lincoln | MKT | Front | |||
| 2018 | Ford | Explorer | Front | |||
| 2018 | Ford | Flex | Front | |||
| 2018 | Ford | Taurus | N/A | |||
| 2018 | Lincoln | MKT | Front | |||
| 2017 | Ford | Explorer | Front | |||
| 2017 | Ford | Flex | Front | |||
| 2017 | Ford | Taurus | N/A | |||
| 2017 | Lincoln | MKT | Front | |||
| 2016 | Ford | Explorer | Front | |||
| 2016 | Ford | Flex | Front | |||
| 2016 | Ford | Taurus | N/A | |||
| 2016 | Lincoln | MKS | N/A | |||
| 2016 | Lincoln | MKT | Front | |||
| 2015 | Ford | Explorer | Front | |||
| 2015 | Ford | Flex | Front | |||
| 2015 | Ford | Taurus | N/A | |||
| 2015 | Lincoln | MKS | N/A | |||
| 2015 | Lincoln | MKT | Front | |||
| 2014 | Ford | Explorer | Front | |||
| 2014 | Ford | Flex | Front | |||
| 2014 | Ford | Mustang | N/A | |||
| 2014 | Ford | Taurus | N/A | |||
| 2014 | Lincoln | MKS | N/A | |||
| 2013 | Ford | Explorer | Front | |||
| 2013 | Ford | Flex | Front | |||
| 2013 | Ford | Mustang | N/A | |||
| 2013 | Ford | Taurus | N/A | |||
| 2013 | Lincoln | MKS | N/A | |||
| 2012 | Ford | Escape | N/A | Automatic temperature control is needed for proper installation. | ||
| 2012 | Ford | Explorer | Front | |||
| 2012 | Ford | Flex | Front | |||
| 2012 | Ford | Mustang | N/A | |||
| 2012 | Ford | Taurus | N/A | |||
| 2012 | Lincoln | MKS | N/A | |||
| 2011 | Ford | Escape | N/A | Automatic temperature control is needed for proper installation. | ||
| 2011 | Ford | Explorer | Front | |||
| 2011 | Ford | Flex | Front | |||
| 2011 | Ford | Mustang | N/A | |||
| 2011 | Ford | Taurus | N/A | |||
| 2011 | Lincoln | MKS | N/A | |||
| 2011 | Mazda | Tribute | N/A | HVAC Blower Motor Resistor with Auto Temp Control; Alternate Number | ||
| 2011 | Mercury | Mariner | N/A | Automatic temperature control is needed for proper installation. | ||
| 2010 | Ford | Escape | N/A | Automatic temperature control is needed for proper installation. | ||
| 2010 | Ford | Flex | Front | |||
| 2010 | Ford | Mustang | N/A | |||
| 2010 | Ford | Taurus | N/A | |||
| 2010 | Lincoln | MKS | N/A | |||
| 2010 | Mazda | Tribute | N/A | HVAC Blower Motor Resistor with Auto Temp Control; Alternate Number | ||
| 2010 | Mercury | Mariner | N/A | Automatic temperature control is needed for proper installation. | ||
| 2009 | Ford | Escape | N/A | Automatic temperature control is needed for proper installation. | ||
| 2009 | Ford | F-250 Super Duty | N/A | Automatic temperature control is needed for proper installation. | ||
| 2009 | Ford | F-350 Super Duty | N/A | Automatic temperature control is needed for proper installation. | ||
| 2009 | Ford | Flex | Front | |||
| 2009 | Ford | Mustang | N/A | From 3/09 | ||
| 2009 | Ford | Taurus X | N/A | Automatic temperature control is needed for proper installation. | ||
| 2009 | Lincoln | MKS | N/A | |||
| 2009 | Mazda | Tribute | N/A | HVAC Blower Motor Resistor with Auto Temp Control; Alternate Number | ||
| 2009 | Mercury | Mariner | N/A | Automatic temperature control is needed for proper installation. | ||
| 2008 | Ford | Escape | N/A | Automatic temperature control is needed for proper installation. | ||
| 2008 | Ford | Expedition | Front | Automatic temperature control is needed for proper installation. | ||
| 2008 | Ford | F-250 Super Duty | N/A | Automatic temperature control is needed for proper installation. | ||
| 2008 | Ford | F-350 Super Duty | N/A | Automatic temperature control is needed for proper installation. | ||
| 2008 | Ford | Taurus X | N/A | Automatic temperature control is needed for proper installation. | ||
| 2008 | Lincoln | Navigator | Front | |||
| 2008 | Mercury | Mariner | N/A | Automatic temperature control is needed for proper installation. | ||
| 2007 | Ford | Expedition | Front | Automatic temperature control is needed for proper installation. | ||
| 2007 | Ford | Five Hundred | N/A | Automatic temperature control is needed for proper installation. | ||
| 2007 | Ford | Freestyle | Front | Automatic temperature control is needed for proper installation. | ||
| 2007 | Lincoln | Navigator | Front | |||
| 2007 | Mercury | Montego | N/A | Automatic temperature control is needed for proper installation. | ||
| 2006 | Ford | Five Hundred | N/A | Automatic temperature control is needed for proper installation. | ||
| 2006 | Ford | Freestyle | Front | Automatic temperature control is needed for proper installation. | ||
| 2006 | Mercury | Montego | N/A | Automatic temperature control is needed for proper installation. | ||
| 2005 | Ford | Five Hundred | N/A | Automatic temperature control is needed for proper installation. | ||
| 2005 | Ford | Freestyle | Front | Automatic temperature control is needed for proper installation. | ||
| 2005 | Mercury | Montego | N/A | Automatic temperature control is needed for proper installation. |
* 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.