The Nissens HVAC Blower Motor Kit - 472364 is a comprehensive kit designed for use in cars. It includes a variety of essential components to ensure the proper functioning of the car's heating, ventilation, and air conditioning (HVAC) system. The kit contains a blower motor, which is responsible for circulating air through the HVAC system, as well as a blower wheel, which helps to regulate the air flow. Additionally, the kit includes a blower motor resistor, which controls the speed of the blower motor, and a blower motor relay, which helps to regulate the power supply to the blower motor. These components work together to ensure that the car's HVAC system is able to effectively heat, cool, and ventilate the interior of the vehicle. This kit is a convenient and cost-effective solution for replacing or repairing these essential components in a car's HVAC system.