Lincoln MKX Turn Signal Bulb Size
Lincoln MKX front turn signal bulbs use 7440NA, 7443NA, or 7444NA sizes, while rear turn signal bulbs use 4157 size. The replacement chart covers 2007 through 2018 model years with corresponding bulb size 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 |
|---|---|---|---|
| 2017-2018 | 7440NA (With Auto-Leveling HID H/ L) | WY21W | Check Price |
| 7443NA (With HID Headlamps) | WY21/5W | Check Price | |
| 2016 | 7440NA (With Auto-Leveling HID H/ L) | WY21W | Check Price |
| 7444NA (With HID Headlamps) | WY21/5W | Check Price | |
| 2014-2015 | 3457NA | PY27/7W | Check Price |
| 2013 | 3357NA | 3357NA | Check Price |
| 2011-2012 | 3457NA | PY27/7W | Check Price |
| 2007-2010 | 3157NA | PY27/7W | Check Price |
Rear Turn Signal
| Years | Bulb Type | Shop |
|---|---|---|
| 2007-2010 | 4157 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Single-filament wedge bulb (T20), natural amber glass. 12V, 21W. | 7440NA | Check Price |
| ANSI standard (US & Canada). Dual-filament wedge bulb (T20), natural amber glass. 12V, 21W/5W. | 7443NA | Check Price |
| ANSI standard (US & Canada). Dual-filament wedge bulb (T20), natural amber glass. 12V, 21W/5W. | 7444NA | Check Price |
| 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 |
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25), natural amber glass. 12V, 27W/7W. | 3157NA | Check Price |
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25). 12V, 27W/7W. | 4157 | Check Price |