amazon / defender
I have a 32-3 with a universal M25, oberdorfer pump:
Universal 301357 - Oberdorfer Water Pump
Uses impeller 295628 and gasket 295626 or Impeller Kit 200209
Usually I order from defender, but this year I ordered mine from amazon. Globe run dry. $15. no gasket.
Amazon description:
Globe Marine Run-Dry® Model 815 Impeller for Oberdorfer 8514, B6593, Onan 132-0316 & Universal 295628