It was used in school busses, box trucks, and other industrial applications. The Cast # is 1839469C1 The pan pictured is a generic picture and will not be the one we send. Some pans are cleaner and some pans are dirtier than the one pictured. They will need to be cleaned before installing.Some parts are cleaner and some parts are dirtier than the one pictured. Some may be painted some may be bare.