Chevrolet Impala Courtesy Bulb Size
The Chevrolet Impala courtesy light uses bulb sizes 12961, 194, 912, 192, 562, 74, 631, 1004, 211-2, 89, and 90. Available information covers the span from 1958 to 2019.
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 |
|---|---|
| 2014-2019 | 12961 |
| 2013 | 194 |
| 2012 | 912 |
| 2011 | 194 |
| 2006-2010 | 912 |
| 2000-2005 | 192 |
| 1995-1996 | 192 |
| 1994 | 562 |
| 1985 | 74 |
| 1982-1984 | 631 |
| 1980-1981 | 194 |
| 1979 | 1004 |
| 1978 | 211-2 |
| 1977 | 1004 |
| 1976 | 89 |
| 1975 | 1004 |
| 1974 | 211-2 |
| 1972-1973 | 89 |
| 1966-1971 | 631 |
| 1965 | 90 |
| 1964 | 631 |
| 1958-1963 | 89 |
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, 3.78W. | 194 |
| ANSI standard (US & Canada). Wedge bulb (T15). Variant of 921. 12V, 12W. | 912 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3W. | 192 |
| ANSI standard (US & Canada). Festoon bulb, 44mm length, end-cap contacts. 12V, 12W. | 562 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 1.4W. | 74 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Variant of 1156. 12V, 21W. | 631 |
| 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. | 211-2 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W. | 89 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 13W. | 90 |