Headlamp Unit SIEM for Vespa
real glass, lens,
main&dipped beam socket: BA20d,
parking light socket: Ba15s,
In general, the headlamp units from the most recent Vespa classic range are interchangeable. However, there are differences in the shape of the socket and in the used bulb. In this way, in the older PX models (up to 1984) a 25/25W bulb is installed, and in the newer models a 35/35W bulb installed. In addition to the ELMA and PIAGGIO versions with a real glass headlamp diffuser, a BOSATTA headlamp with a yellow headlamp diffuser may be delivered in order to achieve a complete MOD style.
SIP TIP: Anyone who wants even more light on their PX can either install the MY clear glass headlamp unit or alternatively that of the Vespa Cosa.
OEM Numbers (for the purpose of comparison)
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