Re: Replacment Hubs
K15 Dana 44 and K25 Dana 44 have the same hubs. I've got a set of the Warn Premium ones on my Corporate 10 Bolt. I decided against the standard plastic ones for the very reason you need a new set. I got my set at Napa, I think they were like $75. It was several years ago now. I know you can get them at Checker/Schucks/Kragen too, Warn ones that is, possibly Superwinch, not sure about MM.
Mile marker, Superwinch, Warn, all make hubs. I'd go try and find a few reviews, maybe some trail tests and see what people like. I know the mile markers are available with a stainless cap and dial.