The ARCO 20102 Alternator fits applications for Mercruiser and BRP-OMC, 12 Volt, 70 Amp.
It includes a self-exciting feature, ignition protection screens, an internal regulator, negative ground, a 1-wire connection, a 2" mounting foot, and a single groove pulley.
It replaces part numbers: Mercury 32701, Mercury 47456A1, Mercury 56045, Mercury 59755, Mercury 69729, Sierra 18-5950, Sierra 18-5956, and Sierra 18-6841.
All alternators are manufactured with precision and quality.
All alternators must meet or exceed OEM performance before being boxed.