Standard Motor Products RU979 Hvac Blower Motor Resistor

The Standard Motor Products RU979 is a direct-fit HVAC blower motor resistor engineered to restore proper fan speed control to your vehicle's heating and air conditioning system. Sold under Standard's trusted Intermotor line, this resistor is manufactured to meet or exceed original equipment specifications, ensuring a reliable, plug-and-play replacement.

The blower motor resistor regulates the voltage supplied to the blower motor, allowing the fan to operate at multiple speed settings. A failed resistor typically results in the blower working only at the highest speed setting or not at all — replacing it with the RU979 restores full multi-speed functionality.

Key Features:

• Direct OE replacement — no modification required for installation
• Built from 100% new components — contains no remanufactured parts
• Engineered to meet or exceed original equipment specifications
• Restores all blower fan speed settings (low, medium, high)
• Manufactured by Standard Motor Products, a leading aftermarket supplier with decades of experience in engine management and HVAC components
• Part of the Intermotor line, known for precision fit and long-term durability

The Standard Motor Products RU979 blower motor resistor is a straightforward, cost-effective repair solution for restoring full HVAC performance and cabin comfort.