Ok I bought this prop from a guy last year and he said it came off of his mercruiser outdrive with the same motor and everything as mine...Well he wasn't telling the truth, but I didn't know that at the time. So now I have this prop I need to sell and don't know what it is. It has very little description on it. Heres what I know: #'s on the side say 5118 18, #'s on the end say it is a 13 x 18P The Brand well, the only marking on it say's BJ. It is a stainless, so any input anyone has would be a great help I need to sell this and get one that fits my boat. What's it worth also? Thank's