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Standard Ignition RU-357 HVAC Blower Motor Resistor - Rear
Reliable HVAC Blower Motor Resistor for Mazda MPV
The Standard Ignition RU-357 HVAC blower motor resistor is designed specifically for Mazda MPV models. This component ensures proper control of your vehicle's blower motor speeds, maintaining optimal climate control performance.
- Compatible with Mazda MPV HVAC systems
- Part number RU-357 for precise identification
- Controls multiple blower motor speed settings
- Durable construction for consistent operation
- Direct replacement for factory blower motor resistor
Product Overview and Functionality
The RU-357 blower motor resistor from Standard Ignition is engineered to regulate the electrical current flowing to the blower motor in Mazda MPV vehicles. By adjusting resistance levels, it allows the HVAC system to operate at different fan speeds, providing comfort and flexibility in cabin temperature control. This resistor is a critical component in the HVAC blower motor circuit, ensuring smooth transitions between speed settings and preventing blower motor failure due to electrical issues.
Common Applications and Problem Resolution
- Restores blower motor speed control in Mazda MPV HVAC systems
- Resolves issues with blower motor stuck on one speed or not working
- Eliminates inconsistent or no airflow from the HVAC vents
- Prevents overheating of blower motor circuits
- Addresses electrical resistance failures causing blower motor malfunction
Installation Notes and Tips
- Ensure vehicle ignition is off before installation
- Locate the blower motor resistor near the blower motor housing in the HVAC system
- Disconnect the electrical connector carefully to avoid damage
- Replace the resistor with part number RU-357 for exact fitment
- Verify blower motor operation at all speed settings after installation
Quality Assurance and Warranty Information
Standard Ignition manufactures the RU-357 blower motor resistor to meet or exceed OEM specifications for Mazda MPV vehicles. This part undergoes rigorous quality control to ensure reliable performance and durability. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in materials and workmanship to provide confidence in your replacement part.
| Brand | Standard Ignition |
| Part Number | RU-357 |
| 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 7 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2006 | Mazda | MPV | Rear | |
| 2005 | Mazda | MPV | Rear | |
| 2004 | Mazda | MPV | Rear | |
| 2003 | Mazda | MPV | Rear | |
| 2002 | Mazda | MPV | Rear | |
| 2001 | Mazda | MPV | Rear | |
| 2000 | Mazda | MPV | Rear |
* 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.