Ducati 999S License Plate Bulb Size

The Ducati 999S license plate bulb uses a 12961 size, with specifications detailed in the replacement chart. The data covers 2003 to 2006 production years for this motorcycle model.

The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.

Bulb Size by Year Range

Years	Bulb Size
2003-2006	12961

Bulb Specifications

Description	Bulb Size
Philips part number. Miniature wedge bulb (T10) with W2.1x9.5d base. 12V, 5W.	12961

Other Locations

Additional Notes

The Ducati 999S uses the 12961 bulb for the license plate light across the 2003-2006 model years.
The 12961 is a Philips part number designating a T10 miniature wedge bulb with a W2.1x9.5d base, rated at 12 volts and 5 watts.
The T10 form factor is a small tubular bulb widely used in low-intensity automotive lighting positions such as license plate, courtesy, and instrument panel applications.
The W2.1x9.5d base designation describes a wedge-type connection where the bulb's glass envelope itself acts as the retention mechanism, requiring no separate metal base or socket pins.
At 5 watts, the 12961 operates at a low power draw consistent with its role as an auxiliary lighting bulb rather than a primary illumination source.
The W2.1x9.5d base is a standardized wedge fitting, meaning the 12961 is physically interchangeable with other T10 wedge bulbs sharing that base type, provided voltage and wattage ratings are also compatible.