Harley-Davidson
Sportster Chrome Regulator 1984-85 Big Twin Models,

REGULATOR ARROWHEAD AHD6006

Part No. 44-3958.BK.CH (oro2u.com)

REGULATOR - EXTERNAL
Volt Set Point: 12-Volt, Shunt Type, Lead lenght 51 inches, Black Finish

Cross reference numbers ONLY.
AHD6006 ARROWHEAD, 74523-84