FORD F-250 SUPER DUTY BASE MODEL 1999-2003 FORD F-250 SUPER DUTY BASE MODEL 1999-2004 FORD F-250 SUPER DUTY BASE MODEL 2003-2004 FORD F-350 SUPER DUTY BASE MODEL 1999-2003 FORD F-350 SUPER DUTY BASE MODEL 1999-2004 FORD F-350 SUPER DUTY BASE MODEL 2003-2004