INFINITI M35 License Plate Bulb Size

The INFINITI M35 license plate light uses bulb size 12961 and bulb size 168 for the rear exterior illumination. Data for the specific lighting components covers the period from 2006 through 2010.

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
2009-2010	12961
2006-2008	168

Bulb Specifications

Description	Bulb Size
Philips part number. Miniature wedge bulb (T10) with W2.1x9.5d base. 12V, 5W.	12961
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 4.9W.	168

Other Locations

Additional Notes

The INFINITI M35 uses two distinct bulb types across its model years for the license plate position: the 12961 and the 168, both of which share the T10 miniature wedge form factor.
The T10 designation refers to a tubular bulb body with a width of approximately 10/32 of an inch, commonly used in low-current automotive auxiliary lighting such as license plate and courtesy lamps.
The 12961 is a Philips part number rather than an ANSI industry-standard designation, and it carries a W2.1x9.5d wedge base specification operating at 12V and 5W.
The 168 is an ANSI-standard designation recognized across the United States and Canada, also a T10 miniature wedge type, rated at 12V and 4.9W.
The 2009-2010 INFINITI M35 uses the 12961 bulb for the license plate position, while the 2006-2008 model years use the 168.
Although both bulbs share the T10 wedge body style, the 12961 and 168 differ in their base designations, with the 12961 specifying a W2.1x9.5d base, which may affect fitment interchangeability depending on socket tolerance.
The wattage difference between the two bulbs is marginal, with the 12961 rated at 5W and the 168 at 4.9W, placing both within the same low-wattage category typical of license plate illumination circuits.