This overdrive unit is designed for use with 2wd 46RE, 47RE, and 42RE transmissions in Dodge and Jeep vehicles manufactured between 1996 and 2003. It is made of durable aluminum and is a direct replacement for the original unit. Included in this package is the OD section, with no additional mounting hardware required. It has a manufacturer lifetime warranty and is an OE/OEM part number for Dodge Ram OD Unit. Please refer to the fitment type and trans model information in the aspects section to ensure that this unit is compatible with your vehicle.