Part Numbers: 64116920365, 64116923204, 64116931680 Material and fit ABS material, manufactured to OE specifications for direct installation without modification Direct replacement for OE part numbers; no additional modifications required Keeps the vehicle HVAC system functioning to maintain cabin comfort Key benefits Restores adjustable fan speeds for the A/C and heating systems Resolves situations where the air speed cannot be changed or no air is blown Helps maintain a comfortable cabin temperature by properly regulating heating and cooling Function and performance Blower resistor module that controls the fan speed in the vehicle's air conditioning and heating system Specifically designed to regulate the temperature conditions inside the cabin to support a stable and comfortable driving environment Use scenarios Scenario 1: The A/C controller cannot adjust the cabin fan speed any longer; replacing the blower motor resistor restores full control over airflow levels Scenario 2: The A/C system is no longer blowing air at all; installing the resistor restores airflow Scenario 3: Replacing a worn or failing blower resistor to maintain consistent cabin temperature and HVAC performance in vehicles requiring 64116920365, 64116923204, or 64116931680 replacement parts