Standard Motor Products RU389 Blower Motor Resistor

The Standard Motor Products RU389 is a precision-engineered blower motor resistor designed to restore proper HVAC fan speed control in your vehicle. This essential component regulates the electrical current flowing from the fan switch to the blower motor, enabling you to adjust airflow at multiple speed settings for optimal comfort.

Key Features:

• 4-terminal blade connector design with rectangular female connector shape
• Controls 3 to 5 fan speed settings for precise climate control
• 12-volt operation with screw-on mounting for secure installation
• Manufactured to exceed OEM specifications for reliable, long-lasting performance
• TS16949 and ISO9001 certified manufacturing ensures quality and proper fitment
• Male terminal gender with female connector configuration

Standard Motor Products has over 100 years of experience manufacturing professional-grade automotive components. This blower motor resistor is built to stringent quality standards with complete quality control throughout the manufacturing process. When your blower motor only works on high speed or certain fan speeds fail to operate, the resistor is often the culprit. The RU389 provides a direct replacement solution to restore full HVAC functionality.

Common Symptoms of Failed Resistor: Blower fan only works on highest speed setting, loss of individual fan speeds, or complete loss of airflow control.

Cross-Reference Numbers: 20307, 2BMR0046, 30-0143, 3A1279, 53-69568, 8713802030, BMR119, BMRB10289, BR293, BR293SB, RU1083, RU389T, RUA1087