Bulb, Single Filament, Blinker, MGB 62-80
Single filament bulb, for blinker lamps, used in front and rear blinker lamps. Rear blinker is always a single filament bulb, under a red lens on early cars, and under an amber lens on later cars.
Front blinkers varied, early cars used a single filament bulb for blinker, later cars may use a dual filament bulb for front blinker.