Mercury - ECM - Fits 2002-2004 MCM 350 Mag MPI Alpha with Closed Cooling - 77-865839T03 Mercury-200HP-Verado-4-CYL-2023 and the entire propulsion setup

and the entire propulsion setup feels tighter and more refined

This product has been superseded by: 7C2-H7249-40-00

and constant vibration

easy to install

It manages engine data communication between Mercury diesel mechanical sterndrive engines and helm monitoring systems

Mercury - ECM - Fits 2002-2004 MCM 350 Mag MPI Alpha with Closed Cooling - 77-865839T03 Mercury-200HP-Verado-4-CYL-2023 and the entire propulsion setupFits: 2002 2004 MCM 350 Mag MPI Alpha with closed cooling (s n 0M600000 0W309999) WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov.