Volkswagen Golf R License Plate Bulb Size

Additional Notes

• The Volkswagen Golf R uses the 12961 bulb across all listed model years for the license plate position, spanning 2012-2013 and 2015-2019.
• The 12961 is a Philips part number designating a miniature wedge bulb in the T10 form factor with a W2.1x9.5d base.
• The T10 designation refers to a tubular bulb with a width of 10 millimeters, commonly found in low-intensity automotive lighting positions such as license plate and courtesy lamps.
• The W2.1x9.5d base is a wedge-type base, meaning the bulb is held in its socket by the tension of the glass envelope itself rather than by a separate metal cap or bayonet fitting.
• The 12961 operates at 12 volts and 5 watts, which places it in the low-wattage range typical of auxiliary and indicator lighting rather than primary illumination.
• The W2.1x9.5d base specification is a precise fitment standard, and substituting a bulb with a physically different base type would result in an incompatible fit regardless of voltage or wattage similarity.
• T10 wedge bulbs are widely produced under multiple part numbers by various manufacturers, and the 12961 represents Philips's designation for this specific 12V 5W T10 configuration.