plug is a plug?

[floater212]

2005 rinker captiva 212 mercruiser 350 mpi spark plug hunting hasn't turned up a replacement, AC 41-932 is what it calls for but no one makes them and ones that have some want $ 1K each. what do you guys use to tune up your boat with???

 

[Bt Doctur]

MR43LTS work just as good

 

[floater212]

MR43LTS work just as good

are they AC DELCOS too?

 

[Paintman1960]

Yes, AC Delco plug, just got a set 2 days ago
Auto parts store has them or can get them

 

[tank1949]

2005 rinker captiva 212 mercruiser 350 mpi spark plug hunting hasn't turned up a replacement, AC 41-932 is what it calls for but no one makes them and ones that have some want $ 1K each. what do you guys use to tune up your boat with???

some of the plugs seat too deep and may hit pistons. Just use old plug and measure, just to be sure. I believe MR43LTS will work fine....