I had to replace one starter on the Queen a few years ago (Chrysler 318).
Quoted price for a new unit through the marina was about $275, through WM or
B/US about $240. I removed it myself and took it to a local shop that does
starter and alternator repair for a lot of local truck firms and marinas.
Full rebuild, marinized, was $160. I re-installed it myself. No problems
since. Check out the local rebuilds.

Regards,

John Gaquin
Brefnie Queen
1974 Luhrs 32