Arco 20810 OEM Premium Replacement Alternator fits Mercruiser 3.0L engines (1999 - Onwards). The marine engine alternator is rated 12 volt and 70 amps, featuring an internal fan and supplied complete with a single groove pulley.

The Arco alternator replaces the following part numbers:

- Delco 19020600 and 19020604 Alternators

- Mercury 862030T and 862030T01 Alternators

- Sierra 18-5983 Alternator

- Quicksilver 862030T01 and 862031T Alternators

- Protorque PH300-0033 and PH300-0034 Alternators

- MPParts ADR0317 and ADR0299 Alternators

- Mallory 9-19109 Alternator