Jacuzzi has made numerous changes to the pump combinations in J-300 spas. The specific pumps needed are dependent on the year in which your spa was built:
These are the new universal rotation bracketless motors for use with your universal mounting bracket, so your exsisting pump orientation really doesn't matter, these will fit:
If your J-365 was built after August 2010 but before Jan 2012, you'll need the 56 frame version of these pumps:
If your J-365 was built from 2012 to present day, order from the following:
Does not include power cord.