Lincoln MKS Turn Signal Bulb Size
The Lincoln MKS front turn signal uses 3457NA or 3357NA bulb sizes, while the rear turn signal requires a 12271NA bulb size. The replacement chart covers 2009 through 2012 model years 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 |
|---|---|---|---|
| 2010-2012 | 3457NA | PY27/7W | Check Price |
| 2009 | 3357NA | 3357NA | Check Price |
Rear Turn Signal
| Years | Bulb Type | Shop |
|---|---|---|
| 2009-2012 | 12271NA | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25), natural amber glass. 12V, 27W/7W. | 3457NA | Check Price |
| ANSI standard (US & Canada). Single-filament wedge bulb (T25), natural amber glass. 12V, 27W. | 3357NA | Check Price |
| OEM part number. Natural amber glass variant. 12V. | 12271NA | Check Price |