NAVMAN/NorthStar 3100 speed transducer replacement paddle wheel

[robwalten]

I am in need of a paddle wheel for my speed transducer and cannot locate a source. These were originally made in New Zealand and based on my research I may be able to replace the entire transducer thru Faria Beede for ~ $200+.
I'd prefer to locate just the wheel if anyone has a spare.

 

[capta]

To the best of my knowledge almost all, if not all transducers, are made by AirMar. There should be plenty of parts about if you can identify the bit you need correctly.