Mazda 6 front and rear side marker bulbs utilize 7444NA, 7443NA, 168, 12961, and 3057 bulb sizes across different positions. The replacement chart contains vehicle production years and bulb size specifications spanning 2003 to 2017.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
The 12961 is a Philips part number rather than an ANSI standard designation, which distinguishes it from the other bulb types listed in these specifications. It is a miniature wedge bulb in the T10 form factor with a W2.1x9.5d base, rated at 12V and 5W.
The 168 is an ANSI-standard T10 miniature wedge bulb rated at 12V and 4.9W. While it shares the same T10 form factor as the 12961, the two are defined under different standardization systems, and the specifications treat them as distinct part numbers across different model years.
The 7443NA and 7444NA are both ANSI-standard dual-filament T20 wedge bulbs with natural amber glass, each rated at 12V with a 21W/5W filament configuration. The natural amber glass produces the amber color required for side marker functions without the use of a colored lens or coating.
The 3057 is an ANSI-standard dual-filament T25 wedge bulb rated at 12V with a 27W/7W filament configuration. Its higher wattage output on both filaments distinguishes it from the T20 bulbs used elsewhere in these specifications.
On the Mazda 6, the front side marker position uses four distinct bulb types across the model years covered: the 12961, the 168, the 7443NA, and the 7444NA. These are not interchangeable across all positions, as each corresponds to a specific model year range.
The 2014-2016 front side marker position uses the 7443NA, while the 2017 position uses the 7444NA. Although both share the same T20 form factor, dual-filament design, natural amber glass, and 12V/21W/5W rating, they carry different part numbers and are listed separately in the specifications.
The front side marker for model years 2003-2004 and 2006-2008 uses the 12961, while model years 2009-2013 use the 168. Both are T10 miniature wedge bulbs, but they originate from different standardization systems and are not listed as interchangeable within these specifications.
The rear side marker for the Mazda 6 in 2013-2017 is conditionally specified based on headlamp type. The 2013-2017 entries carry a "With Halogen Capsule Headlamps" qualifier, indicating the listed bulb size applies specifically to that headlamp configuration.
The rear side marker position for 2015-2017 uses the 12961, while 2009-2013 uses the 3057. These two bulbs differ in both form factor and filament count, with the 12961 being a single-filament T10 and the 3057 being a dual-filament T25, making them incompatible as direct substitutes.
The 2005 model year does not appear in either the front or rear side marker sections of these specifications.