2006 Freightliner FC80 Serpentine Belt Driven;. 2007 Freightliner FC80 Serpentine Belt Driven;. Part Type: Engine Water Pump. Compatible Years: 2006 2007. Water Pump Drive Type: Serpentine Belt. Ensure that this part fits your vehicle by entering your vehicle's Year, Make, Model, Trim, and Engine in the Compatibility Table.