Standard Motor Products RU477 HVAC Blower Motor Resistor

The Standard Motor Products RU477 is a high-quality replacement HVAC blower motor resistor designed to restore proper heating and air conditioning fan speed control in your vehicle. This direct-fit replacement component regulates the electrical current flowing from the fan switch to the blower motor, allowing you to adjust fan speeds for optimal cabin comfort.

Key Features:

• 12-volt operation with 5-terminal configuration for precise speed control
• Manufactured to meet or exceed OE specifications for reliable fit and performance
• Engineered with high-quality materials to withstand the high current loads typical in modern HVAC systems
• Direct replacement for OEM part numbers 55056041AA and 55056041AB
• Tin-plated steel terminals ensure maximum electrical contact and corrosion resistance
• Made in IATF 16949-certified facility for consistent quality

Cross-Reference Numbers: Echlin BR380, Four Seasons 20394, BWD RU1170, Chrysler 55056041AA/55056041AB, Duralast BMRB10071, Airtex 3A1051

Standard Motor Products is a premier professional engine management and electrical components brand offering comprehensive coverage with over 40,000 automotive parts. Each blower motor resistor undergoes rigorous 48-hour load testing and is validated to match OE specifications for durability and performance under all operating conditions.