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

It features a 4"

Quite simply

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

providing superior performance

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