Hi to everyone, looking for help on,raw water pump, took out impeller,bronze housing has pretty good wear grooves in it. Should I just replace impeller hope for best/replace pump with wear plates/ or just get the new one ,motor has 400 hours on it / new owner Thanks for any info

They make a stainless replacement for essentially the same price as a new Merc bronze one.

http://www.cpperformance.com/c-132-m...sea-pumps.aspx

replace it.....nothing good will come out of just an impeller change.....i am having the same issues as you are as we speak.