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Dorman 984-578 HVAC Blower Motor Resistor - Front
Reliable HVAC Blower Motor Resistor for Hyundai and Kia Vehicles
The Dorman 984-578 HVAC blower motor resistor is designed to restore proper blower motor function in select Hyundai and Kia models. Engineered to meet OEM specifications, this resistor ensures consistent airflow control for your vehicle's heating and cooling system.
- Compatible with Hyundai Optima, Santa Fe, Santa Fe Sport, Santa Fe XL, Sonata, and Kia Sedona, Sorento, Soul, Soul EV
- Part number 984-578 for precise identification and fitment
- Features 2 bolt holes for secure mounting
- Includes 2 rectangular female connectors with 2 male blade terminals
- Does not include wiring harness or mounting hardware
- Package contains the blower motor resistor and installation instructions
Technical Details and Specifications
The Dorman 984-578 blower motor resistor is constructed with two bolt holes to ensure a stable and secure installation within the HVAC system. It features two rectangular female connectors designed to interface with male blade terminals, providing reliable electrical connections. The resistor includes a total of five male terminals, facilitating proper current flow and blower speed regulation. This part does not come with a wiring harness or mounting hardware, so existing components should be reused during installation.
Compatible Hyundai and Kia Models
This blower motor resistor is compatible with a range of Hyundai and Kia vehicles, including the Hyundai Optima, Santa Fe, Santa Fe Sport, Santa Fe XL, Sonata, and Kia Sedona, Sorento, Soul, and Soul EV. Using the correct resistor ensures optimal HVAC blower motor performance and prevents issues related to airflow control.
Common Issues Resolved by the Blower Motor Resistor
- Inconsistent or no blower motor speeds
- Blower motor stuck on one speed setting
- Intermittent blower motor operation
- HVAC system failing to circulate air properly
- Electrical resistance faults causing blower motor malfunction
Installation Notes and Tips
Before installation, verify that the part number 984-578 matches your vehicle’s requirements. The resistor mounts using two bolts and connects via two rectangular female connectors. Since wiring harness and mounting hardware are not included, retain original components for reinstallation. Follow the included instructions carefully to ensure proper electrical connections and secure mounting.
Quality Assurance and Warranty Information
Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 984-578 blower motor resistor undergoes quality testing to ensure compatibility and function. Please refer to Dorman’s warranty policy for specific coverage details.
| Brand | Dorman |
| Part Number | 984-578 |
| 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 | 2 |
| Terminal Quantity | 5 |
| Terminal Type | Blade |
| Wire Quantity | 0 |
| Wiring Harness Included | No |
This part fits 47 vehicles. Search below:
| Year | Make | Model | Fuel Type | Position | Notes |
|---|---|---|---|---|---|
| 2019 | Hyundai | Sonata | ELECTRIC/GAS | N/A | |
| 2019 | Kia | Optima | GAS | N/A | |
| 2019 | Kia | Sedona | N/A | w/Dual Air Conditioning | |
| 2019 | Kia | Soul | N/A | Transistor Assembly | |
| 2019 | Kia | Soul EV | N/A | Transistor Assembly | |
| 2018 | Hyundai | Santa Fe | N/A | Resistor | |
| 2018 | Hyundai | Santa Fe Sport | N/A | Resistor | |
| 2018 | Hyundai | Santa Fe XL | N/A | Resistor | |
| 2018 | Hyundai | Sonata | ELECTRIC/GAS | N/A | |
| 2018 | Kia | Optima | GAS | N/A | |
| 2018 | Kia | Sedona | N/A | w/Dual Air Conditioning | |
| 2018 | Kia | Soul | N/A | Transistor Assembly | |
| 2018 | Kia | Soul EV | N/A | Transistor Assembly | |
| 2017 | Hyundai | Santa Fe | N/A | Resistor | |
| 2017 | Hyundai | Santa Fe Sport | N/A | Resistor | |
| 2017 | Hyundai | Santa Fe XL | N/A | Resistor | |
| 2017 | Hyundai | Sonata | ELECTRIC/GAS | N/A | |
| 2017 | Kia | Optima | GAS | N/A | |
| 2017 | Kia | Sedona | N/A | w/Dual Air Conditioning | |
| 2017 | Kia | Soul | N/A | Transistor Assembly | |
| 2017 | Kia | Soul EV | N/A | Transistor Assembly | |
| 2016 | Hyundai | Santa Fe | N/A | Resistor | |
| 2016 | Hyundai | Santa Fe Sport | N/A | Resistor | |
| 2016 | Hyundai | Santa Fe XL | N/A | Resistor | |
| 2016 | Hyundai | Sonata | ELECTRIC/GAS | N/A | |
| 2016 | Kia | Optima | GAS | N/A | |
| 2016 | Kia | Sedona | N/A | w/Dual Air Conditioning | |
| 2016 | Kia | Soul | N/A | Transistor Assembly | |
| 2016 | Kia | Soul EV | N/A | Transistor Assembly | |
| 2015 | Hyundai | Santa Fe | N/A | Resistor | |
| 2015 | Hyundai | Santa Fe Sport | N/A | Resistor | |
| 2015 | Hyundai | Santa Fe XL | N/A | Resistor | |
| 2015 | Kia | Sedona | N/A | w/Dual Air Conditioning | |
| 2015 | Kia | Sorento | Front | w/Dual Air Conditioning | |
| 2015 | Kia | Soul | N/A | Transistor Assembly | |
| 2015 | Kia | Soul EV | N/A | Transistor Assembly | |
| 2014 | Hyundai | Santa Fe | N/A | Resistor | |
| 2014 | Hyundai | Santa Fe Sport | N/A | Resistor | |
| 2014 | Hyundai | Santa Fe XL | N/A | Resistor | |
| 2014 | Kia | Sorento | Front | w/Dual Air Conditioning | |
| 2014 | Kia | Soul | N/A | Transistor Assembly | |
| 2013 | Hyundai | Santa Fe | N/A | Resistor | |
| 2013 | Hyundai | Santa Fe Sport | N/A | Resistor | |
| 2013 | Hyundai | Santa Fe XL | N/A | Resistor | |
| 2013 | Kia | Sorento | Front | w/Dual Air Conditioning | |
| 2012 | Kia | Sorento | Front | w/Dual Air Conditioning | |
| 2011 | Kia | Sorento | Front | w/Dual Air Conditioning |
* 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.