i am looking for a ss 44mag 4 5/8 super blackhawk barrel for 2004 model

As I'm sure you've found out, Ruger won't sell a revolver barrel. But they will replace one for a very reasonable price.

I sent a .45 Blackhawk back to Ruger many years ago to be rebarreled and they sent me back the original barrel also. Don't know if they will still do this or not.
I agree with John, send it to Ruger and have them do it. As I remember, at the time, the total cost for sending it to Ruger to do everything was far cheaper than having my smith fit a barrel that I had found.

Thanks, but if i can find one i can replace it myself

Dickens, Send me your address and I can send you a barrel.

Sam

I sent my address to you ,thanks

Try Hamilton Bowen. He's great to deal with and, if he has a number of them, he'll pick you out a good one.