Ensure your semi is Ready for the Road Ahead™ with a steady flow of air conditioning all year round, with the Airsource 12V 5/16" CW Single Shaft A/C Blower Motor. Alongside the resistor, this replacement blower works to control the flow of air throughout the cabin, and adjust the fan speed as directed. Crafted with precision components to deliver enhanced efficiency and longevity. The air conditioning and heating system in heavy duty trucks has a major impact on drivers’ safety and comfort level. Whether you are looking for A/C compressors, condensers, driers, freon, or blower motors, FleetPride has the part you need to make sure your air conditioning and heating are well maintained. Keep your heavy duty fleet operations working as productively and efficiently as possible by finding the right air conditioning and heating part for you. FleetPride is your First Click in Heavy Duty®.