Dorman 984-623 HVAC Blower Motor Resistor

Brand Dorman 984-623
Bolt Hole Quantity 2
Connector Gender Female
Connector Quantity 2
Connector Shape Rectangular
Mounting Hardware Included No
Package Contents Blower Motor Resistor and Instructions
Terminal Gender Male
Terminal Quantity 8
Terminal Type Blade
Wire Quantity 0
Wiring Harness Included No
Fits Mazda · 6 vehicles

Direct replacement. Matches original equipment operation and performance.

Restores HVAC function. Helps bring back proper heating and cooling control.

Blade terminals. Uses a rectangular female connector for a secure electrical connection.

Cross-references GK3M61B15 and JA1416 for the same application. See all 2.

$76.13Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $76.13
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Dorman 984-623 HVAC Blower Motor Resistor

Restore proper cabin airflow control with this direct replacement HVAC blower motor resistor from Dorman. Built for select Mazda 6 models with automatic air conditioning, Dorman 984-623 is designed to match original equipment operation and performance for consistent heating and cooling control.

Key Features

  • Direct replacement HVAC blower motor resistor for select vehicles
  • Matches OE operation and performance for factory-style blower speed control
  • Designed for 2003-2008 Mazda 6 applications with automatic air conditioning (w/AC)
  • Rectangular connector design with 2 connectors and 8 terminals
  • Blade terminal type with female connector and male terminals
  • Package contents include the blower motor resistor and instructions
  • Cross-references GK3M61B15 and JA1416 for the same application

Detailed Description

This Dorman blower motor resistor is built for HVAC systems that have lost proper fan speed control due to resistor failure. In 2003-2008 Mazda 6 models with automatic air conditioning, the resistor helps regulate blower motor output so the system can deliver the selected cabin airflow level. Dorman 984-623 is a direct replacement part for restoring normal heating and cooling functionality without changing the factory HVAC layout.

Use Dorman 984-623 when servicing a Mazda 6 blower motor circuit that requires OE-style fit and electrical connection points. The rectangular housing, blade terminals, and dual-connector design support a factory-matched installation on the listed application.

What It Helps Fix

  • Blower motor only working on certain fan speeds
  • No cabin airflow from the HVAC vents
  • Intermittent heater or A/C blower operation
  • Loss of proper fan speed control in the dash HVAC system
  • Electrical failure caused by a burnt-out blower motor resistor

Installation Notes and Tips

Compatible With 2003-2008 Mazda 6, automatic air conditioning (w/AC). Verify the connector shape, terminal count, and mounting points before installation. This part includes the blower motor resistor and instructions; wiring harness and mounting hardware are not included. Inspect the blower motor connector and surrounding HVAC components for heat damage before installing Dorman 984-623.

Quality Assurance

Dorman designs direct replacement components to match original equipment function on specific vehicle applications. Part number 984-623 is engineered for the listed Mazda 6 fitment and is supported by Dorman application-specific replacement design standards.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2008Mazda6N/AAutomatic Air Conditioning (w/AC)
2007Mazda6N/AAutomatic Air Conditioning (w/AC)
2006Mazda6N/AAutomatic Air Conditioning (w/AC)
2005Mazda6N/AAutomatic Air Conditioning (w/AC)
2004Mazda6N/AAutomatic Air Conditioning (w/AC)
2003Mazda6N/AAutomatic Air Conditioning (w/AC)
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
GK3M61B15JA1416