Buick Regal Map Light Bulb Size

The Buick Regal map light bulb accommodates 3 distinct sizes: 12961, 168, and 906, with each size corresponding to specific vehicle production configurations. The replacement chart covers data spanning from 1973 to 2017, detailing bulb specifications across the model's manufacturing history.

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
2011-2017	12961
2003-2004	12961
2000-2002	168
1998-1999	906
1997	168
1990	562
1988	562
1987	211-2
1986	562
1984-1985	912
1982	1004
1977-1981	211-2
1976	212-2
1975	561
1973-1974	211-2

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
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 8W.	906
ANSI standard (US & Canada). Festoon bulb, 44mm length, end-cap contacts. 12V, 12W.	562
ANSI standard (US & Canada). Festoon bulb, 41mm length, SV8.5 base. 12V, 12W.	211-2
ANSI standard (US & Canada). Wedge bulb (T15). Variant of 921. 12V, 12W.	912
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Variant of 1157. 12V, 21/5W.	1004
ANSI standard (US & Canada). Festoon bulb, 41mm length, SV8.5 base. 12V, 12W.	212-2
ANSI standard (US & Canada). Festoon bulb, 44mm length, end-cap contacts. 12V, 12W.	561

Other Locations

Additional Notes

The 12961 is a Philips-designated miniature wedge bulb in the T10 form factor, rated at 12V and 5W with a W2.1x9.5d base. It is the map light bulb specified for the Buick Regal across the 2011-2017 model years, as well as the 2003 and 2004 model years.
The T10 wedge form factor is shared by three bulb types listed in these specifications: the 12961, the 168, and the 906. Despite this shared form factor, their wattage ratings differ, with the 906 drawing 8W, the 12961 drawing 5W, and the 168 drawing 4.9W.
The 168 is an ANSI-standard T10 wedge bulb rated at 12V and 4.9W. It is specified for the Buick Regal map light in the 1997, 2000, 2001, and 2002 model years.
The 906 is an ANSI-standard T10 wedge bulb rated at 12V and 8W, and it carries a notably higher wattage than the 168 and 12961 despite sharing the same T10 form factor. It is specified for the 1998 and 1999 model years.
The 211-2 is an ANSI-standard festoon bulb with an SV8.5 base, a 41mm length, and a 12V, 12W rating. It is the most frequently recurring bulb type among the older model years in these specifications, appearing across the 1973-1974, 1977-1981, and 1987 model years.
The 212-2 shares the same SV8.5 base, 41mm length, and 12V, 12W rating as the 211-2. It is specified solely for the 1976 model year, and its near-identical specification to the 211-2 reflects a close relationship between the two ANSI designations.
The 562 and 561 are both ANSI-standard festoon bulbs rated at 12V and 12W with a 44mm length and end-cap contacts. The 562 is specified for the 1986, 1988, and 1990 model years, while the 561 is specified for the 1975 model year.
The 912 is an ANSI-standard T15 wedge bulb rated at 12V and 12W, and it is described as a variant of the 921. It is specified for the Buick Regal map light in the 1984 and 1985 model years.
The 1004 is an ANSI-standard dual-filament bulb with a BAY15d bayonet base, rated at 12V with a 21/5W dual-filament output. It is described as a variant of the 1157 and is the only dual-filament bulb type present in these specifications, appearing solely for the 1982 model year.
Substituting bulbs across the T10 wedge types listed here, such as replacing a 906 with a 168 or 12961, would result in a wattage mismatch, as the 906 draws significantly more power than either of the other two T10-format bulbs in these specifications.