Dorman 973-248 HVAC Blower Motor Resistor - Front

Brand Dorman 973-248
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 5
Terminal Type Blade
Wire Quantity 0
Wiring Harness Included No
Fits Ford · 10 vehicles

Direct replacement. Matches original operation and performance for proper heating and cooling control.

Blade terminals. Features a rectangular female connector for straightforward electrical connection.

Includes the blower motor resistor and instructions.

Cross-references 2C3Z19E624AA, JA1866 and RU775 for the same application. See all 4.

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HVAC Blower Motor Resistor for Ford Super Duty

Dorman 973-248 is a direct replacement HVAC blower motor resistor for vehicles with automatic air conditioning controls. It restores proper blower speed operation when the original resistor burns out, helping return heating and cooling performance to normal in Ford F-250 Super Duty, Ford F-350 Super Duty, and Ford Excursion applications.

Key Features

  • Direct replacement blower motor resistor for HVAC systems
  • Matches original equipment operation and performance on listed vehicles
  • Rectangular 1-connector design with 5 male terminals
  • 2 bolt-hole mounting layout for secure installation
  • Female connector interface, no wiring harness included
  • Package includes the blower motor resistor and instructions

Detailed Description

This Dorman 973-248 HVAC blower motor resistor is built for automatic air conditioning control systems in select Ford trucks and SUVs. It is used to restore blower motor speed control when the factory resistor fails, which can leave the HVAC system stuck on one speed or with reduced fan output. This part cross-references OE-style numbers such as 2C3Z19E624AA and JA1866 for the same application. Fits 2005-2007 Ford F-250 Super Duty, N/A; Fits 2005-2007 Ford F-350 Super Duty, N/A; Fits 2002-2005 Ford Excursion, Front.

What It Helps Fix

  • Blower motor stuck on one speed
  • Loss of lower fan speeds
  • Intermittent HVAC fan operation
  • No cabin airflow from the heater or A/C vents
  • Burnt or heat-damaged blower resistor failure

Installation Notes and Tips

Verify the vehicle uses automatic air conditioning controls before ordering. Confirm connector shape, terminal count, and mounting style against the original part before installation. The package includes instructions; mounting hardware and wiring harness are not included.

Quality Assurance

Dorman designs this replacement resistor to match the function and performance of the original component on the listed Ford applications. Use it when replacing a failed blower motor resistor in Ford F-250 Super Duty, Ford F-350 Super Duty, or Ford Excursion HVAC systems.

This part fits 10 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2007FordF-250 Super DutyN/ACompatible with automatic air conditioning controls.
2007FordF-350 Super DutyN/ACompatible with automatic air conditioning controls.
2006FordF-250 Super DutyN/ACompatible with automatic air conditioning controls.
2006FordF-350 Super DutyN/ACompatible with automatic air conditioning controls.
2005FordExcursionFrontCompatible with automatic air conditioning controls.
2005FordF-250 Super DutyN/ACompatible with automatic air conditioning controls.
2005FordF-350 Super DutyN/ACompatible with automatic air conditioning controls.
2004FordExcursionFrontCompatible with automatic air conditioning controls.
2003FordExcursionFrontCompatible with automatic air conditioning controls.
2002FordExcursionFrontCompatible with automatic air conditioning controls.
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
2C3Z19E624AAJA1866RU775RU1464