Dorman 973-251 HVAC Blower Motor Resistor - Rear

Brand Dorman 973-251
Bolt Hole Quantity 4
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
Fits Ford and Mercury · 9 vehicles

Direct replacement. Matches original operation and performance for proper HVAC function.

Connector-ready design. Features a rectangular female connector with blade terminals.

Simple installation. Includes instructions and uses a 4-bolt mounting pattern.

Cross-references 3F2Z18591BA, JA1500 and RU431 for the same application. See all 4.

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Dorman 973-251 HVAC Blower Motor Resistor

Restore proper cabin airflow control with this Dorman HVAC blower motor resistor. It is a direct replacement for the original unit on select Ford vehicles with rear auxiliary A/C, helping bring back the correct fan speeds for heating and cooling.

  • Direct replacement blower motor resistor for select Ford HVAC systems
  • Designed to match original equipment operation and performance
  • Rectangular 1-connector design with 4 blade terminals
  • 4 bolt holes for secure mounting
  • Female connector, male terminals, no wiring harness included
  • Package includes the blower motor resistor and instructions

Detailed Product Information

Dorman 973-251 is built for vehicles where the blower motor resistor has failed and the HVAC fan no longer responds correctly across speed settings. This part is engineered to restore the heating and cooling function on applications that use rear auxiliary A/C, including 2004-2007 Ford Freestar rear, 2005-2007 Ford Freestyle, and 2008-2009 Ford Taurus X with rear auxiliary A/C. If you are searching for a Ford Freestar blower motor resistor or a Ford Taurus X HVAC resistor replacement, this part number is a direct match for the listed applications.

This part cross-references Monroe Shocks & Struts (e.g., RU431, RU1124) for the same application.

Common Problems This Part Can Address

  • Blower fan stuck on one speed
  • No cabin airflow from the HVAC system
  • Intermittent or inconsistent fan operation
  • Loss of proper rear auxiliary A/C blower control
  • Heating and cooling output that no longer responds to the selected fan setting

Installation Notes and Tips

Verify connector style, terminal count, and mounting layout before installation. This resistor uses a rectangular female connector with 4 blade terminals and mounts with 4 bolt holes. No wiring harness or mounting hardware is included, so reuse or source the required vehicle-specific components as needed. Confirm the vehicle is equipped with rear auxiliary A/C before ordering or installing Dorman 973-251.

Quality Assurance

Dorman designs this replacement resistor to follow the operation and performance of the original equipment part on the listed Ford applications. It is intended as a direct-fit service part for restoring HVAC blower control on compatible vehicles.

This part fits 9 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2009FordTaurus XN/ACompatible with vehicles equipped with rear auxiliary A/C.
2008FordTaurus XN/ACompatible with vehicles equipped with rear auxiliary A/C.
2007FordFreestarRearCompatible with vehicles equipped with rear auxiliary A/C.
2007FordFreestyleN/ACompatible with vehicles equipped with rear auxiliary A/C.
2006FordFreestarRearCompatible with vehicles equipped with rear auxiliary A/C.
2006FordFreestyleN/ACompatible with vehicles equipped with rear auxiliary A/C.
2005FordFreestarRearCompatible with vehicles equipped with rear auxiliary A/C.
2005FordFreestyleN/ACompatible with vehicles equipped with rear auxiliary A/C.
2004FordFreestarRearCompatible with vehicles equipped with rear auxiliary A/C.
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
3F2Z18591BAJA1500RU431RU1124