Blue, I'm not to the point of replacing my steering yet but am anticipating having to do so before first splashdown. Look at this, personally I would change all, helm, cable, etc. The unknown is worst than death. The price isn't too bad.
http://www.boatersworld.com/product/358501658msk.htm
Not having physically looked at this I don't know if it's correct or not. Please post if it will work.