Arco 20815 OEM Premium Replacement Alternator fits Mercruiser 4.3L to 6.2L engines. The marine engine alternator is rated 12 volt and 70 amps, featuring an internal fan and supplied complete with a 50mm multi-groove serpentine pulley.

The Arco alternator replaces the following part numbers:

- Delco 19020611 and 19020612 Alternators

- Mercury 863077T Alternator

- Pleasurecraft RA097007 Alternator

- Sierra 18-6298 Alternator

- Protorque PH300-0035 Alternator

- MPParts ADR0298 Alternator

- Mallory 9-19111 Alternator