Chevrolet Impala Back Up Light Bulb Size
The Chevrolet Impala back up light utilizes 7440, 921, 2057, 1156, 1073, and P21W bulb sizes depending on the specific production version. Available information spans a range from 1958 through 2020.
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
If US Type and EU Type show the same value, a direct cross-reference for this bulb is not available or the data is insufficient.
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 2014-2020 | 7440 | W21W | Check Price |
| 2000-2013 | 921 | W16W | Check Price |
| 1994-1996 | 2057 | 2057 | Check Price |
| 1964-1985 | 1156 | P21W | Check Price |
| 1962-1963 | 1073 | 1073 | Check Price |
| 1958-1961 | 1156 | P21W | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Single-filament wedge bulb (T20). 12V, 21W. | 7440 | Check Price |
| ANSI standard (US & Canada). Wedge bulb (T15). 12V, 16W. | 921 | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Brighter variant of 1157. 12V, 26.9W/8W. | 2057 | Check Price |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1156 | Check Price |
| ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W. | P21W | Check Price |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W. | 1073 | Check Price |