Ignition Module for 4.3 Mercruiser with EST ignition

Ray_Prisoner

Recruit
Joined
Jul 18, 2019
Messages
1
Are all ignition modules the same or do I need to get a marine specific ignition module. Has anybody tried a stock ignition module? Thanks for any help - Ray
 

alldodge

Moderator
Staff member
Joined
Mar 8, 2009
Messages
43,072
The modules are the same but getting aftermarket can be an issue. Get one from GM (AC Delco) or Merc
 

Scott Danforth

Grumpy Vintage Moderator still playing with boats
Staff member
Joined
Jul 23, 2011
Messages
50,969
Another quality alternative is BWD or SMP, both companies have made the ICM for Delco in the past
 
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