Standard Ignition RU-851 HVAC Blower Motor Resistor

Brand Standard Ignition RU-851
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 Quantity 4
Terminal Type Blade
Wiring Harness Included No
Fits Subaru · 8 vehicles

Direct replacement. Matches the original blower motor resistor design for straightforward service.

3-5 speed control. Provides multiple blower settings for precise cabin airflow adjustment.

Blade terminals. Uses a rectangular connector with screw attachment for secure installation.

Cross-references Standard Ignition RU-851, 73532AJ010 and BR751 for the same application. See all 5.

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HVAC Blower Motor Resistor for Subaru BRZ

Restore proper cabin fan control with this Standard Ignition HVAC blower motor resistor, part number RU-851. It is built for Subaru BRZ applications that use a 3-5 speed blower control setup and a female rectangular connector with blade terminals.

Key Features

  • Standard Ignition RU-851 HVAC blower motor resistor
  • Fits 2013-2014 Subaru BRZ and 2015-2020 Subaru BRZ
  • 3-5 speed blower motor control application
  • Female rectangular connector with 1 connector cavity
  • 4 male blade terminals for direct electrical connection
  • Screw attachment method for secure mounting
  • No wiring harness, mounting bracket, or hardware included

Detailed Description

The RU-851 is an HVAC blower motor resistor used to regulate blower fan speeds in the Subaru BRZ. It is a direct-fit electrical replacement for vehicles with the specified connector and terminal configuration, making it a practical choice when the cabin fan only works on certain speeds or stops responding correctly. This Standard Ignition RU-851 also cross-references 73532AJ010 for the same application.

Compatible With 2013-2014 Subaru BRZ and 2015-2020 Subaru BRZ, this resistor is listed for vehicles without automatic AC systems. If you are searching for a Subaru BRZ blower motor resistor, HVAC fan resistor, or RU-851 replacement, this part matches the documented fitment and electrical layout.

Common Issues This Part Can Address

  • Blower fan works on only one or a few speed settings
  • Cabin air fan does not respond at certain speeds
  • Intermittent HVAC blower operation
  • Loss of lower or medium fan speeds
  • Failed blower resistor causing inconsistent airflow control

Installation Notes and Tips

Verify the connector shape, terminal count, and speed range before installation. This part mounts with screws and does not include a wiring harness, mounting bracket, or hardware. Confirm that the vehicle is not equipped with automatic AC systems before ordering, and compare the original resistor to RU-851 for connector and terminal match.

Quality Assurance

Standard Ignition supplies OE-style replacement electrical components for HVAC repair applications. RU-851 is built to match the documented Subaru BRZ fitment and connector requirements for a straightforward replacement process.

This part fits 8 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2020SubaruBRZN/ANot compatible with automatic AC systems.
2019SubaruBRZN/ANot compatible with automatic AC systems.
2018SubaruBRZN/ANot compatible with automatic AC systems.
2017SubaruBRZN/ANot compatible with automatic AC systems.
2016SubaruBRZN/ANot compatible with automatic AC systems.
2015SubaruBRZN/ANot compatible with automatic AC systems.
2014SubaruBRZN/A
2013SubaruBRZN/A
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — RU-85173532AJ010BR751JA1963RU1540