Arco 80108 OEM Premium Replacement Alternator fits late model Volvo Penta marine diesel engines. The engine alternator is rated 12 volt and 55 amps, featuring an internal regulator and 2" mounting foot.

The Arco alternator replaces the following part numbers:

- Volvo Penta 3803227-2, 834625-6, 841378-3, 841380, 841762-8, 841763, 841765-1, 841766-9, 858838-6, 858839-4, 872018-7, 872235-7 and 872926-1 Alternators

- Sierra 18-5939, 18-5943 and 18-5959 Alternators

Please note: pulley is NOT included.