Fitment: 2003-2008 Dodge Ram 1500 2003-2009 Dodge Ram 2500 2003-2009 Dodge Ram 3500 2008-2010 Dodge Ram 4500 2008-2010 Dodge Ram 5500 Specification: 100% new and high quality auto parts Thoroughly tested - examined and validated to perform safely and effectively Direct Plug-and-Play Replacement.Mounting holes are positioned to facilitate installation.Remove old resistor screws → swap assembly → secure new unit. The Function of a Car's Blower Moteor Fan: .