Triumph Norton BSA LUCAS Zener Diode Voltage Regulator 49345

Genuine LUCAS Zener Diode  from a motorcycle that went all electronic ignition & rectifier regulator tested and in good woorking condition   OEM Ref. # 49345     SB85/A

This Lucas part will fit some of the British models.  Please check the OEM Part Number to ensure it is the correct application for your motorcycle.