Standard Motor Products RU237 HVAC Blower Motor Resistor

The Standard Motor Products RU237 is a direct-fit replacement blower motor resistor designed to restore variable speed control for your vehicle's heating and air conditioning system. This critical HVAC component regulates the electrical current flowing from the fan switch to the blower motor, allowing you to adjust fan speed settings for optimal cabin comfort.

Key Features:

• 4-terminal design with male blade-type terminals for reliable electrical connection
• Controls 3-5 speed settings for precise airflow adjustment
• High-quality ceramic construction with copper electrical connectors for accurate resistance values
• Tin-plated steel terminals ensure maximum contact and excellent fit, form, and function
• 12-volt rated for automotive applications
• Screw-mounted design with rectangular female connector
• Manufactured to meet or exceed OEM specifications
• Undergoes extensive testing for draw, resistance, and RPM validation

Standard Motor Products manufactures this resistor in their IATF 16949-certified North American facility, ensuring consistent quality and reliability. Each unit is sample-tested for performance at all speeds and subjected to 48-hour load tests to guarantee long service life under all operating conditions. Restores proper HVAC functionality when experiencing symptoms such as inconsistent airflow, blower motor only working on certain speeds, or complete loss of air circulation.

Cross-Reference Numbers: MR206326, RU937, BR147, JA1190