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Standard Ignition RU-521 HVAC Blower Motor Resistor
Reliable HVAC Blower Motor Resistor for Saab 9-3 and 900
The Standard Ignition RU-521 HVAC blower motor resistor is designed to restore proper blower motor function in select Saab vehicles. Specifically compatible with Saab 9-3 and 900 models, this resistor ensures consistent airflow control within the HVAC system.
- Direct replacement for OEM blower motor resistor in Saab 9-3 and 900
- Durable construction to withstand HVAC system demands
- Compatible with factory HVAC blower motor controls
- Part number RU-521 for precise identification and fitment
Product Details and Compatibility
This HVAC blower motor resistor from Standard Ignition is engineered to meet the specifications required by Saab 9-3 and 900 models. The resistor regulates the voltage supplied to the blower motor, allowing for multiple fan speed settings. Using part number RU-521 ensures compatibility and reliable performance within the vehicle's HVAC system. This component is essential for maintaining proper climate control and passenger comfort.
Common HVAC Issues Addressed by RU-521
- Intermittent or non-functioning blower motor speeds
- Blower motor stuck on a single speed setting
- Complete loss of blower motor operation
- Inconsistent airflow from HVAC vents
- Electrical resistance failure causing HVAC system malfunctions
Installation Notes and Tips
- Ensure vehicle ignition is off before beginning installation
- Locate the blower motor resistor within the HVAC housing, typically near the blower motor
- Disconnect the electrical connector carefully to avoid damage
- Replace the resistor with part number RU-521, securing it firmly in place
- Test all blower motor speeds after installation to confirm proper operation
Quality Assurance and Warranty
Standard Ignition manufactures the RU-521 blower motor resistor to meet or exceed OEM standards for fit and function. This part undergoes quality control testing to ensure durability and reliable performance in Saab 9-3 and 900 HVAC systems. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship to support long-term use.
| Brand | Standard Ignition |
| Part Number | RU-521 |
| 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 | 2 |
| Number Of Speeds | 3-5 Speed |
| Terminal Gender | Male |
| Terminal Type | Blade |
| Wiring Harness Included | No |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2003 | Saab | 9-3 | N/A | |
| 2002 | Saab | 9-3 | N/A | |
| 2001 | Saab | 9-3 | N/A | |
| 2000 | Saab | 9-3 | N/A | |
| 1999 | Saab | 9-3 | N/A | |
| 1998 | Saab | 900 | N/A | w/ Manual AC |
| 1997 | Saab | 900 | N/A | |
| 1996 | Saab | 900 | N/A | |
| 1995 | Saab | 900 | N/A | |
| 1994 | Saab | 900 | N/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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.