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Dorman 984-509 HVAC Blower Motor Resistor
Reliable HVAC Blower Motor Resistor for Subaru Models
The Dorman 984-509 HVAC blower motor resistor is designed to restore proper blower motor function in select Subaru vehicles. Engineered with precise specifications, this resistor ensures consistent airflow control for your Crosstrek, Forester, Impreza, WRX STI, XV, and XV Crosstrek models.
- Compatible with multiple Subaru models including Crosstrek, Forester, Impreza, WRX STI, XV, and XV Crosstrek
- Features 2 bolt holes for secure mounting
- Equipped with a single rectangular male connector
- Includes 4 female blade terminals for reliable electrical connection
- Does not include wiring harness or mounting hardware
- Package contains the blower motor resistor and installation instructions
Technical Details and Specifications
The Dorman 984-509 blower motor resistor is built to meet OEM standards for HVAC system performance. It features two bolt holes for stable installation and a rectangular male connector that interfaces with the vehicle’s wiring harness. The resistor has four female blade terminals, ensuring a secure and efficient electrical connection. This part does not come with a wiring harness or mounting hardware, so existing components must be reused during installation. The package includes the resistor itself along with detailed instructions to assist with proper installation.
Compatible Subaru Models and Applications
This blower motor resistor is compatible with a range of Subaru vehicles, specifically designed for the Crosstrek, Forester, Impreza, WRX STI, XV, and XV Crosstrek. It is intended for use in HVAC systems to regulate blower motor speeds and maintain consistent cabin airflow.
- Restores blower motor speed control in Subaru Crosstrek and XV models
- Resolves inconsistent airflow issues in Subaru Forester HVAC systems
- Addresses blower motor resistor failures in Subaru Impreza and WRX STI
- Improves HVAC performance in Subaru XV Crosstrek vehicles
Installation Notes and Tips
When installing the Dorman 984-509 blower motor resistor, ensure the vehicle’s ignition is off and the battery is disconnected to prevent electrical hazards. The resistor mounts using two bolt holes and connects via a single rectangular male connector. Since mounting hardware and wiring harness are not included, retain original components for reinstallation. Follow the included instructions carefully to avoid damage to the resistor or HVAC system.
Quality Assurance and Warranty Information
Dorman parts are manufactured to meet or exceed OEM specifications, providing reliable performance for your Subaru HVAC system. The 984-509 blower motor resistor undergoes quality control testing to ensure durability and proper function. Warranty coverage details can be obtained from the product documentation or the supplier.
| Brand | Dorman |
| Part Number | 984-509 |
| Bolt Hole Quantity | 2 |
| Terminal Type | Blade |
| Wire Quantity | 0 |
| Connector Quantity | 1 |
| Connector Shape | Rectangle |
| Terminal Quantity | 4 |
| Connector Gender | Male |
| Terminal Gender | Female |
| Wiring Harness Included | No |
| Mounting Hardware Included | No |
| Package Contents | Blower motor resistor and instructions |
This part fits 26 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2018 | Subaru | Forester | N/A | |
| 2017 | Subaru | Crosstrek | N/A | |
| 2017 | Subaru | Forester | N/A | |
| 2016 | Subaru | Crosstrek | N/A | |
| 2016 | Subaru | Forester | N/A | |
| 2016 | Subaru | Impreza | N/A | |
| 2016 | Subaru | XV | N/A | |
| 2015 | Subaru | Forester | N/A | |
| 2015 | Subaru | Impreza | N/A | |
| 2015 | Subaru | XV | N/A | |
| 2015 | Subaru | XV Crosstrek | N/A | |
| 2014 | Subaru | Forester | N/A | |
| 2014 | Subaru | Impreza | N/A | |
| 2014 | Subaru | WRX STI | N/A | |
| 2014 | Subaru | XV | N/A | |
| 2014 | Subaru | XV Crosstrek | N/A | |
| 2013 | Subaru | Forester | N/A | |
| 2013 | Subaru | Impreza | N/A | |
| 2013 | Subaru | WRX STI | N/A | |
| 2013 | Subaru | XV | N/A | |
| 2013 | Subaru | XV Crosstrek | N/A | |
| 2012 | Subaru | Forester | N/A | |
| 2012 | Subaru | Impreza | N/A | |
| 2011 | Subaru | Forester | N/A | |
| 2010 | Subaru | Forester | N/A | |
| 2009 | Subaru | Forester | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.