HomeHVAC > Motors, Core, Case and Related ComponentsStandard Ignition RU-357 HVAC Blower Motor Resistor - Rear
Part #: RU-357

Standard Ignition RU-357 HVAC Blower Motor Resistor - Rear

Rear
⚙️ 7 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mazda, MPV
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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.

BrandStandard Ignition
Part NumberRU-357
Attachment MethodScrew
Connector GenderFemale
Connector ShapeRectangular
Hardware IncludedNo
Harness Length - cmNo wire
Harness Length - inchesNo wire
Mounting Bracket(s) IncludedNo
Number Of Connector Cavities1
Number Of Speeds3-5 Speed
Terminal GenderMale
Terminal TypeBlade
Wiring Harness IncludedNo

This part fits 7 vehicles. Search below:

YearMakeModelPositionNotes
2006MazdaMPVRear
2005MazdaMPVRear
2004MazdaMPVRear
2003MazdaMPVRear
2002MazdaMPVRear
2001MazdaMPVRear
2000MazdaMPVRear

* 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:

2027930-02593A128153-69570BMRA112LC7461P21RU1050RU357RUA1641

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.