The Ducati Scrambler high beam and low beam headlight bulbs both utilize a 9003 size. Replacement bulb specifications for this model span a 2015 to 2019 chart covering vehicle production years.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
The Ducati Scrambler uses the 9003 bulb size for both the high beam and low beam headlight positions across the 2015-2019 model years.
The 9003 bulb is a dual-filament halogen type, meaning a single bulb contains two separate filaments that serve both the high beam and low beam functions independently.
Because the 9003 bulb handles both beam functions in the Ducati Scrambler, the high beam and low beam headlight positions share the same bulb specification rather than requiring separate bulb types for each function.
The 9003 standard is electrically and physically equivalent to the H4 bulb designation used in many international markets, making H4-labeled bulbs a recognized cross-reference for this application.
The 9003/H4 bulb operates at 12 volts, with the low beam filament rated at 55 watts and the high beam filament rated at 60 watts under standard halogen specifications.
The consistent use of the 9003 specification across all five model years indicates that the headlight housing design remained unchanged throughout the 2015-2019 production period of the Scrambler.
Dual-filament bulbs such as the 9003 use a three-contact base configuration, which prevents incorrect installation of a single-filament bulb in a socket designed for two separate circuits.
Aftermarket 9003 bulbs are available in halogen, high-intensity discharge conversion, and LED retrofit formats, though compatibility with the original housing and electrical system varies by format.