Arco 20104 OEM Premium Replacement Alternator fits Mercruiser, BRP-OMC engines. The marine engine alternator is rated 12 volt and 70 amps, featuring ignition protection screens, an internal regulator, Negative ground, 2-wire plug and 2" mounting foot. It is supplied complete with a single groove pulley.
The Arco alternator replaces the following part numbers:
