The Mack 4379-RD338120 AC Heater Control Panel is a new old stock commercial truck part designed by the renowned brand Mack. With the manufacturer part number 4379-RD338120, this AC heater control panel is a crucial component for maintaining the functionality of commercial trucks equipped with Mack systems. This product ensures a high-quality and reliable solution for controlling and regulating the heating and cooling systems in these vehicles, providing comfort and efficiency for drivers and passengers on the road.