Sierra International 18-5965 Alternator 18-5965. It is interchangeable with Arco 60056 Mallory 9-19103 Mercruiser Stern Drive 12449 12449A1 805884T 817119A1 817119A4 92497 92497A3 98555A1 and MES 3159M. Each Sierra product meets or exceeds the original...