The Mitsubishi Lancer side marker requires a unique 194NA bulb size for the specific lighting component. Data for the bulb specifications covers the range from 2002 to 2003.
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 designating a T10 miniature wedge bulb with a W2.1x9.5d base, rated at 12V and 5W. It is the most frequently specified bulb across the Mitsubishi Lancer side marker positions in these specifications.
The W2.1x9.5d base is a metric wedge-type base, where the figures describe the contact width and pin spacing. This base type is common in low-wattage automotive marker and interior lighting applications.
The 12961 bulb appears in the front side marker position for the 2015-2017 Lancer, but only on trims equipped with Halogen Capsule Headlamps. This conditional fitment indicates that the headlamp package influences the front side marker bulb specification.
The 2007 Lancer front side marker also uses the 12961, though without any headlamp trim condition noted, distinguishing it from the 2015-2017 entries.
The 194NA is an ANSI-standard T10 miniature wedge bulb with natural amber glass, rated at 12V and 3.78W. The amber tint is built into the glass itself rather than applied as a coating, which affects the color output of the bulb directly.
The Mitsubishi Lancer front side marker used the 194NA for the 2002-2003 model years. Although the 194NA and 12961 share the T10 form factor, their wattage ratings differ, with the 194NA drawing 3.78W versus the 12961 at 5W.
The 7443 is an ANSI-standard T20 dual-filament wedge bulb rated at 12V with a 21W high filament and a 5W low filament. Its larger T20 body and dual-filament design make it physically and electrically distinct from the T10 bulbs used in other positions.
The rear side marker on the 2002-2003 Lancer uses the 7443, while the 2007-2009 and 2015-2017 rear side marker positions use the 12961. These two bulbs are not interchangeable due to differences in body size, base configuration, and filament count.
The rear side marker position uses the 12961 across the 2007-2009 and 2015-2017 model years, making it consistent across those entries without any trim-level conditions attached.
The T10 designation refers to a tubular bulb with a nominal width of 10 thirty-seconds of an inch, a sizing convention used in ANSI bulb nomenclature. Both the 12961 and 194NA share this designation, reflecting their similar physical scale despite differences in wattage and glass treatment.