HomeHVAC > Motors, Core, Case and Related ComponentsStandard Ignition RU-499 HVAC Blower Motor Resistor
Part #: RU-499

Standard Ignition RU-499 HVAC Blower Motor Resistor

⚙️ 8 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mazda, RX-8
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Overview of Standard Ignition HVAC Blower Motor Resistor RU-499

The Standard Ignition HVAC Blower Motor Resistor RU-499 is designed specifically for the Mazda RX-8 to regulate the blower motor speeds efficiently. This resistor supports multiple fan speeds, ensuring precise control of your vehicle's HVAC system.

  • Compatible with Mazda RX-8 models
  • Supports 3-5 blower motor speeds
  • 12-volt electrical rating
  • Rectangular female connector with one cavity
  • Blade-type male terminals, quantity of four
  • Attachment method: screw mount
  • No wiring harness or mounting brackets included

Detailed Product Description

The RU-499 blower motor resistor by Standard Ignition is engineered to provide reliable speed control for the HVAC blower motor in Mazda RX-8 vehicles. Featuring a rectangular female connector with a single cavity, this resistor connects via four blade-type male terminals. It operates on a 12-volt system and supports between three to five blower motor speeds, allowing for smooth adjustment of airflow inside the cabin. The resistor is secured using screws, ensuring a stable and secure fit within the HVAC assembly. Note that this part does not include a wiring harness or mounting brackets, so it is designed to integrate directly with the existing vehicle components.

Common Applications and Issues Resolved

  • Restores proper blower motor speed control in Mazda RX-8 HVAC systems
  • Eliminates blower motor stuck on one speed or no speed
  • Fixes inconsistent or intermittent blower motor operation
  • Addresses overheating or failure of previous resistor units
  • Improves overall HVAC system performance and reliability

Installation Notes and Tips

  • Ensure vehicle ignition is off before installation
  • Remove the old resistor carefully to avoid damage to connectors
  • Use appropriate screwdrivers for the screw attachment method
  • Verify connector orientation: rectangular female connector with one cavity
  • Check that all four blade terminals are properly seated for secure electrical contact

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The RU-499 blower motor resistor undergoes rigorous quality control to ensure durability and consistent performance in Mazda RX-8 vehicles. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in material and workmanship.

BrandStandard Ignition
Part NumberRU-499
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 8 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2011MazdaRX-8N/Aw/ Manual Control
2010MazdaRX-8N/Aw/ Manual Control
2009MazdaRX-8N/Aw/ Manual Control
2008MazdaRX-8N/Aw/ Manual Control
2007MazdaRX-81.3LR2N/A
2006MazdaRX-81.3LR2N/A
2005MazdaRX-8N/A
2004MazdaRX-8N/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:

2BMR064030-01924P155053-69772BMRA153BR402FE0161B15RU1192RUC1424

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