Seller notes

Sierra International 18-5957, Alternator 3 Wire, Replaces Mercury 78403A2, 92497A3, 78477 Fits: Mercury Marine, OMC, Pleasurcraft. Universal 1983 & below, Universal 1983 - 1986, Motorola or Mando 50 Amp for Ford 1987 & Up) and Volvo Penta applications.Features:Volt: 12Amp: 68Ignition protection screensInternal regulatorNegative ground2-wire plug, 1-wire mounting stud "3 Wire"Red wire is sensor, Black wire is Exciter2-inch mounting footSingle groove vee belt pulley included...

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