Standard Motor Products RU510 HVAC Blower Motor Resistor

The Standard Motor Products RU510 is a direct-fit OE replacement HVAC blower motor resistor engineered to restore proper variable-speed control of your vehicle's heating and air conditioning blower fan. This resistor regulates the electrical current flowing from the fan speed switch to the blower motor, enabling the multiple fan speed settings your climate control system relies on.

A failing blower motor resistor is one of the most common causes of HVAC fan issues, including a blower that only works on the highest speed setting, operates at inconsistent speeds, or fails to run at all. The RU510 is a cost-effective solution to restore full multi-speed functionality without replacing the entire blower motor assembly.

Key Features:

• Direct-fit OE replacement for trouble-free installation
• Restores full variable-speed blower motor control
• Manufactured with high-quality ceramics and copper electrical connectors for precise resistance values
• Meets or exceeds OEM specifications for fit, form, and function
• Produced in TS16949 and ISO9001 certified manufacturing facilities
• 100% new construction — no remanufactured components

Standard Motor Products is a trusted OE-level supplier with decades of experience in automotive electrical and HVAC components. The RU510 installs using factory mounting points and connectors, making it suitable for both professional technicians and experienced DIYers.