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Standard Ignition RU-555 HVAC Blower Motor Resistor
Reliable HVAC Blower Motor Resistor for Mazda 3 and 3 Sport
The Standard Ignition RU-555 HVAC blower motor resistor is designed specifically for Mazda 3 and Mazda 3 Sport models. This component ensures proper control of your vehicle's blower motor speeds, maintaining consistent airflow through the HVAC system.
- Compatible with Mazda 3 and Mazda 3 Sport models
- Part number RU-555 for precise identification
- Controls multiple blower motor speed settings
- Durable construction for long-lasting performance
- Direct replacement for factory blower motor resistor
Product Details and Functionality
The RU-555 blower motor resistor from Standard Ignition regulates the electrical current to the blower motor, allowing your Mazda 3 or 3 Sport to adjust fan speeds accurately. This resistor is a critical component in the HVAC system, enabling smooth transitions between different blower speeds and ensuring optimal cabin comfort. Designed to meet OEM specifications, it provides reliable operation and fits directly into the existing blower motor assembly without modification.
Common HVAC Issues Addressed by RU-555
- Inconsistent or non-functioning blower motor speeds
- Blower fan stuck on one speed setting
- Intermittent airflow from the HVAC vents
- Complete loss of blower motor operation at certain speeds
- Electrical resistance failure causing HVAC system malfunctions
Installation Notes and Tips
- Ensure vehicle ignition is off before installation
- Locate the blower motor resistor near the blower motor housing under the dashboard
- Disconnect the electrical connector carefully to avoid damage
- Replace the resistor with the Standard Ignition RU-555 part number for exact fitment
- Test blower motor speeds after installation to confirm proper operation
Quality Assurance and Warranty
Standard Ignition manufactures the RU-555 blower motor resistor to meet or exceed OEM standards for fit, form, and function. This part undergoes rigorous quality control to ensure durability and reliable performance in Mazda 3 and 3 Sport vehicles. Warranty coverage details are provided by Standard Ignition and typically include protection against defects in materials and workmanship.
| Brand | Standard Ignition |
| Part Number | RU-555 |
| Attachment Method | Screw |
| Connector Gender | Female |
| Connector Shape | Rectangular |
| Hardware Included | No |
| Harness Length - cm | No wire |
| Harness Length - inches | No wire |
| Mounting Bracket(s) Included | No |
| Number Of Connector Cavities | 1 |
| Number Of Speeds | 3-5 Speed |
| Terminal Gender | Male |
| Terminal Type | Blade |
| Wiring Harness Included | No |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2009 | Mazda | 3 | N/A | Fitment: Excludes vehicles with automatic temperature control. |
| 2009 | Mazda | 3 Sport | N/A | Fitment: Excludes vehicles with automatic temperature control. |
| 2008 | Mazda | 3 | N/A | Fitment: Excludes vehicles with automatic temperature control. |
| 2007 | Mazda | 3 | N/A | Fitment: Excludes vehicles with automatic temperature control. |
| 2006 | Mazda | 3 | N/A | Fitment: Excludes vehicles with automatic temperature control. |
* 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.