Buick Lucerne Turn Signal Bulb Size
The Buick Lucerne front turn signal requires a 4157NA or 5702AK bulb size, while the rear turn signal uses a 3057 bulb size. The replacement chart covers vehicle production spanning 2006 to 2011 with corresponding bulb specifications.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Front Turn Signal
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 |
|---|---|---|---|
| 2011 | 4157NA | PY27/7W | Check Price |
| 2010 | 5702AK | 5702AK | Check Price |
| 2008-2009 | 4157NA | PY27/7W | Check Price |
| 2007 | 5702AK | 5702AK | Check Price |
| 2006 | 4157NA | PY27/7W | Check Price |
Rear Turn Signal
| Years | Bulb Type | Shop |
|---|---|---|
| 2006-2011 | 3057 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25), natural amber glass. 12V, 27W/7W. | 4157NA | Check Price |
| Sylvania part number for a coated variant of the ANSI 3157 bulb. Dual-filament wedge bulb (T25), amber coating. 12V, 27W/7W. | 5702AK | Check Price |
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25). 12V, 27W/7W. | 3057 | Check Price |