WARNING: This page is about a different car, the 2017 RAM ProMaster 3500, 2017 RAM ProMaster 2500, and 2017 RAM ProMaster 1500. However, it is still accessible from the selected car via links, so may be relevant.
Courtesy of CHRYSLER GROUP, LLC
The engine cover (2) is used cosmetically to cover the top of the engine and greatly reduce engine noise. Four nuts secure the cover to the engine.