Product Details: Ensure your semi is Ready for the Road Ahead™ with a steady reduction in refrigerant fluid pressure, with the Airsource A/C Expansion Valve. Once the liquid refrigerant is received from the drier, this replacement expansion valve reduces the pressure of the fluid to cool it before it is transferred to the evaporator. A bad valve or process failure will show symptoms such as warm AC, frozen coils, or inconsistent air flow. 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®.