Standard Motor Products RU55 HVAC Blower Motor Resistor

The Standard Motor Products RU55 is a direct-fit replacement HVAC blower motor resistor engineered to restore proper blower fan speed control to your vehicle's heating and air conditioning system. Blower motor resistors regulate the electrical current flowing from the fan switch to the blower motor, enabling multiple fan speed settings for comfortable cabin climate control.

Key Features:

• OE-match design — matches the fit, form, and function of the original equipment part for a hassle-free, plug-and-play installation
• Exceeds OEM specifications — engineered for dependable, maintenance-free operation and long service life
• 100% tested — every unit is sample-tested for draw, resistance, and RPM performance across all speed settings before leaving the facility
• High-grade materials — copper alloy conductors ensure superior electrical conductivity with minimal resistive losses
• New, not remanufactured — contains no remanufactured components for reliable out-of-the-box performance
• IATF 16949-certified manufacturing — produced in a certified North American facility to stringent quality standards
• Sold individually

Common symptoms of a failing blower motor resistor include the blower fan not working at one or more speed settings, or failing to operate entirely. The Standard Motor Products RU55 is a quality replacement that restores full multi-speed blower operation, bringing your vehicle's HVAC system back to factory performance.