Sierra International 18-6261 Alternator 18-6261. 0L 4.3L 5.7L 7.4L (1995-1998) 5.0L 5.8L 8.2L (1993-1998) engines. It features an internal regulator and single-groove pulley. Interchangeable with Arco 60070 MES 3149M OMC Stern Drive 3854182 3854809...