4379-RD546321
A/C Receiver Drier
Mack

This component plays a crucial role in the air conditioning system by removing moisture and contaminants from the refrigerant, ensuring efficient cooling performance. Its high-quality construction provides excellent moisture absorption and filtration, which prevents corrosion and damage within the A/C system. Proper functioning of the receiver drier helps maintain system pressure and prevents compressor failure, contributing to consistent climate control inside the vehicle. Regular replacement is recommended as part of routine A/C maintenance to avoid refrigerant contamination and system inefficiency. Source One Parts Center offers reliable receiver driers that meet or surpass OEM standards, supporting optimal comfort and system longevity in your heavy-duty truck.