The product is a heater climate control unit designed for 1999-2001 Dodge Ram 1500, 2500, and 3500 trucks. Made by Dodge, this HVAC control panel is a genuine replacement part with the manufacturer part number 55056700AD. It is not a custom bundle and is not a modified item. Made in the United States, this unit is specifically designed to control the heating and climate control systems in these Dodge truck models.