ARCO Marine Mercury/Mariner Outboard Starter - 8 Tooth [5380] Engine Parts & Service | Alternators It features a 4"

It features a 4"

Raritan's 12v Electrode Pack is energized during the treatment cycle as electricity passes through the conductive salt water

Quite simply

It is our best upgrade of older aluminum designs from the 70’s

ARCO Marine Mercury/Mariner Outboard Starter - 8 Tooth [5380] Engine Parts & Service | Alternators It features a 4"Mercury Mariner Outboard Starter 8 Tooth The outboard starter will fit Mercury Marine, 135 200 HP V6, 105 HP Jet, and 8 tooth drive gear. ARCO advises using a fully charged battery A weak battery can damage the starter and starter solenoid. And to also clean all connections A corroded connection creates resistance, lowering the amperage required for an efficient starting circuit. Features: Dynamically tested and packaged for out of the box performance