1955 Fargo FC3B Pickup Engine: 4.0L V8; 2-1/2 In. 1955 Fargo FC3B Pickup Engine: 4.1L L6; 2-1/2 In. Part Type: Engine Coolant Outlet Gasket. Eng Coolant Gasket. Compatible Years: 1955. Ensure that this part fits your vehicle by entering your vehicle's Year, Make, Model, Trim, and Engine in the Compatibility Table.