Piaggio MP3 500 License Plate Bulb Size

The Piaggio MP3 500 uses a 12961 bulb size for the license plate light, with this specific bulb designation applying to the model across its production span. The replacement chart covers 2008 to 2014 model years and documents the bulb specifications for this vehicle generation.

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
2008-2014	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 Piaggio MP3 500 uses the 12961 bulb for the license plate position across the 2008-2014 model years.
The 12961 is a Philips part number designating a miniature wedge bulb in the T10 form factor.
T10 refers to the bulb's tubular shape, with the number indicating a width of 10 millimeters.
The 12961 uses a W2.1x9.5d wedge base, which is a pinless base type that is held in place by the tension of the socket itself rather than by pins or a bayonet lock.
The bulb operates at 12 volts and 5 watts, which is consistent with standard low-power automotive auxiliary lighting applications such as license plate illumination.
The T10 wedge base format is one of the most widely used in automotive auxiliary positions, and aftermarket alternatives from other manufacturers are generally available under equivalent designations such as W5W.
When substituting the 12961 with an equivalent, the W2.1x9.5d base type must match exactly, as wedge bases are not universally interchangeable despite similar physical appearances.
The 5-watt rating reflects the power draw of the original filament bulb, a figure relevant when considering LED replacements, which may require load resistors on vehicles with bulb-out warning systems.