ok, me an my husband was out for a boat ride one day and we hit something that was in the water and the whole lower unit came off, (well that was the word i heard) and i am trying to surprise him and buy him one so where can i get one?? how much will it be?? and what information do i need to make sure that is the correct part for the motor? It is an old motor so how much am i looking at?? does anyone know of any good boat sites i can go to??? THanks.....plz help.