Genuine. The lid is where you put gasoline, PA4W. PB4W PC4W March 3, 2002 - July 3, 2002 PD6W (March 2002 - December 3, 2006) PD8W (March 2002 - August 3, 2004) PE8W (March 2002 - August 3, 2004) PF6W (March 2002 - September 3, 2004) PF8W (March 2002 - August 3, 2004)