Dorman 973-531 HVAC Blower Motor Resistor Kit
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Dorman

Dorman 973-531 HVAC Blower Motor Resistor Kit

Brand Dorman 973-531
Connector Gender Female
Connector Quantity 1
Gasket or Seal Included No
Mounting Hardware Included No
Mounting Hole Quantity 2
Package Contents 1 Blower Motor Resistor; 1 Wire Harness
Terminal Gender Male
Terminal Quantity 4
Terminal Type Blade
Wire Quantity 4
Wiring Harness Included Yes
Wiring Harness Length 6
Fits Ford · 4 vehicles

Resistor kit. Includes a resistor and harness pigtail for a complete repair.

Harness included. Comes with a 6-inch wire harness and blade terminals.

OE-style replacement. Replaces an overheated or corroded original equipment resistor.

Cross-references 4P1623, 8S4Z18591A and JA1745 for the same application. See all 5.

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Dorman 973-531 HVAC Blower Motor Resistor Kit

Dorman 973-531 is an HVAC blower motor resistor kit for select Ford Focus models from 2008-2011. It includes the resistor and a harness pigtail to replace an original unit that has overheated or developed corrosion at the connector.

Built for direct repair of blower speed control issues, this kit addresses common electrical wear at the resistor connection point on Ford Focus HVAC systems.

Key Features

  • Includes a blower motor resistor and wire harness pigtail
  • 4-wire harness with blade terminals and female connector design
  • 6-inch wiring harness length for service replacement use
  • 2 mounting holes and 4 terminals for the specified application
  • Direct-fit repair part for 2008-2011 Ford Focus HVAC blower motor circuits

Detailed Description

This Dorman HVAC blower motor resistor kit is made to restore blower fan speed control when the original resistor or connector has been damaged by heat or corrosion. The resistor and harness pigtail work together to replace the failed electrical connection point in the HVAC blower motor circuit. If you are searching for a 2008-2011 Ford Focus blower motor resistor kit, Dorman 973-531 provides the needed service parts for this repair. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Repair Symptoms

  • Blower motor only works on certain speed settings
  • No airflow from the HVAC vents on selected fan speeds
  • Heat damage at the resistor connector
  • Corrosion at the blower resistor harness connection
  • Intermittent HVAC fan operation in Ford Focus models

Installation Notes and Tips

Compatible With 2008-2011 Ford Focus. Verify connector style, terminal count, and harness routing before installation. Inspect the blower motor connector and surrounding wiring for heat damage before replacing the resistor assembly. Confirm the HVAC system is switched off and the battery is disconnected before service.

Quality Assurance

Dorman supplies service replacement electrical components for vehicle repair applications, and this kit is built to replace an overheated or corroded original resistor connection on the listed Ford Focus models.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2011FordFocusN/A—
2010FordFocusN/A—
2009FordFocusN/A—
2008FordFocusN/A—
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
4P16238S4Z18591AJA1745RU709RU1398