The one you get will be rebuilt, but there are 3 different pulley options, which is why it's best to send your old one. Your pulley must be pressed on and it needs to be in the exact same position when doing so. I don't know if John wants links posted here, so I'll PM you a link to the rebuilders site and a video of the same. I have a core here that will be rebuilt, but I won't know if the pulley is the same as yours. If you got it and it's not the correct pulley, then we're taking one step up and two steps back.