Dorman 984-592 HVAC Blower Motor Resistor

Brand Dorman 984-592
Bolt Hole Quantity 3
Terminal Type Blade
Wire Quantity 0
Connector Quantity 1
Connector Shape Rectangle
Terminal Quantity 4
Connector Gender Male
Terminal Gender Male
Wiring Harness Included No
Mounting Hardware Included No
Package Contents Blower motor resistor and instructions
Fits Mazda · 5 vehicles

Direct replacement. Matches original operation and performance on certain vehicles.

Blade terminals. Rectangle connector with four male terminals for a straightforward hookup.

Restores proper heating and cooling functionality.

Cross-references Eastern Catalytic 20407, BN8P61B15 and JA1672 for the same application. See all 5.

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Dorman 984-592 HVAC Blower Motor Resistor

Restore proper cabin airflow control with this direct replacement HVAC blower motor resistor from Dorman. Built for select Mazda 3 applications, Dorman 984-592 helps bring back the correct fan speeds when the original resistor has burned out or failed.

Key Features

  • Direct replacement HVAC blower motor resistor for select vehicles
  • Matches original equipment operation and performance on covered applications
  • Blade terminal design with 1 rectangle connector and 4 terminals
  • 3 bolt-hole mounting pattern for secure installation
  • Package includes the blower motor resistor and instructions
  • Cross-references Eastern Catalytic 20407 for the same application

Detailed Description

This Dorman blower motor resistor is engineered for heating and cooling systems that have lost one or more fan speeds due to resistor failure. It is a practical replacement for Mazda 3 models where the factory unit has burned out, helping restore normal blower motor control for the HVAC system. Part number 984-592 is listed for 2005-2009 Mazda 3 applications, including 2005 Mazda 3 from 2/15/05, 2006 Mazda 3 through 8/01/05 with manual air conditioning controls, and 2007-2009 Mazda 3 models without air conditioning.

Use Dorman 984-592 when you need a replacement that follows the original equipment layout and electrical connection style. This part number 984-592 is a fitment-specific solution for Mazda 3 HVAC repair work where blower speed operation has become inconsistent or unavailable.

What It Helps Fix

  • No blower motor operation at certain speed settings
  • Intermittent cabin fan speeds
  • Loss of low, medium, or high fan control
  • HVAC airflow that no longer responds correctly to the switch
  • Heating and cooling performance issues caused by a failed resistor

Installation Notes and Tips

Verify the vehicle’s HVAC configuration before ordering. This resistor fits 2007-2009 Mazda 3 models without air conditioning, 2006 Mazda 3 built to 8/01/05 with manual air conditioning controls, and 2005 Mazda 3 from 2/15/05. Confirm the connector style, terminal count, and mounting location match the original part before installation. Instructions are included.

Quality Assurance

Dorman designs this replacement resistor to match the operation and performance of the original equipment on the listed applications. It is intended for direct-fit service on the specified Mazda 3 HVAC systems.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2009Mazda3N/ACompatible with models that do not have air conditioning.
2008Mazda3N/ACompatible with models that do not have air conditioning.
2007Mazda3N/ACompatible with models that do not have air conditioning.
2006Mazda3N/ATo 8/01/05; w/Manual Air Conditioning Controls
2005Mazda3N/AFrom 2/15/05
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Eastern Catalytic — 20407BN8P61B15JA1672RU555RU1248