Product Overview 12 volt. 61 amp. Internal regulator. Negative ground. Single groove pulley included. Fits: OMCThis product replaces:57-40152, 693006001234, 69300600123, 383443, 381166, 384233, 381519, 18-5963, 18-5964, ALT-30, 981186, 985964, 981187 Reviews (No reviews yet) Write a Review