Premium Replacement Alternator with Single Groove Pulley - 12V 70AReplacement alternator that will fit Mercruiser, BRP-OMC, 12 Volt, 70 Amp, Self-exciting, Ignition protection screens, Internal regulator, Negative ground, 1-wire connection, 2-inch mounting foot, Single groove pulley included.Features:All alternators are engineered for performance and reliabilityAll alternators are engineered and manufactured with precision and qualityAll alternators must meet or exceed OEM performance before being boxedReplaces:MERCURY 32701MERCURY 47456A1MERCURY 56045MERCURY 59755MERCURY 69729Sierra 18-5950*ARCO Assurance 12-month part and labor warranty protection