Correct starter/solenoid motor

[rx8blu]

Trying to find the correct starter/solenoid model for my 1989 Mercruiser 4.3LX's. I tried starting up engines this past weekend. Got the little "click" (slave solenoids near carb) Jumpered across their terminals and got big "CLICK" from starter solenoid. Nothing from starter. I'll replace the slave solenoids test again (in case it was a bad/corroded connection when jumped). And then move to replace the main starting solenoid/starter (they look in bad shape regardless). I've run across starters any where from approx $70 through over $200 and just am trying to fin the right one before I have to crawl down and pull one off the engines(s)...Thanks!