OEM Aprilia/Vespa Headlight Bulb H4 60/55W 12V -#292723 (ex AP8127121)
For Moto Guzzi:
For not much more money, AF1 Racing Recommends: PIAA H4 Xtreme White Headlight Bulb
*Please note: The spare parts catalog for '01-'03 Mille and '02-'05 Tuono incorrectly indicate that this bulb is used for both the High and Low Beam. This bulb is for Low Beam only on '01-'03 Mille and '02-'05 Tuono. High Beam on '01-'03 Mille and '02-'05 Tuono is an H7 bulb part number AP8127109
**Please note: do not touch the bulb lens during installation, as residual grease from your fingers can cause damaging hot spots on the bulb.
***Please note: The fitments listed are for USA Market Bikes Only.