Ok, i pulled out the old PCV for my 2005 tucson 4 cyl 2.0 L....i opened the new one it has a threaded end, the old PCV has a nipple screwd on the threaded end and i can't get off to put on new one....does anyone have a name or part # for this....Thank You for your time and any help....here is a link to a pic of it, it's the brass piece...http://s53.radikal.ru/i142/1112/a5/25fff2027514.jpg