6 Volt 25/25W BOSCH BA20D base Headlamp bulb
6V bulb rated at 25/25W, Bosch type BA20D double contact base. Double Filament - Transverse and Axial. E marked. For brighter incandescent versions please see part number B393 at 35/35W and BT527 at 45/40W. For a halogen upgrade, please see part number B393BH. For LED versions, please see part number BA20DLED-P43-6N (negative earth only) available soon as well as BA20LED-H30L and BA20LEDH43L.