Ford Flex Turn Signal Bulb Size
Ford Flex front turn signal bulbs utilize 3457NA and 3357NA sizes, while rear turn signal bulbs use 3157 and 4157 sizes. The replacement chart covers 2009 through 2019 production 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 |
|---|---|---|---|
| 2015-2019 | 3457NA | PY27/7W | Check Price |
| 2014 | 3357NA | 3357NA | Check Price |
| 2012-2013 | 3457NA | PY27/7W | Check Price |
| 2011 | 3357NA | 3357NA | Check Price |
| 2010 | 3457NA | PY27/7W | Check Price |
| 2009 | 3357NA | 3357NA | Check Price |
Rear 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 |
|---|---|---|---|
| 2019 | 3157 (With Halogen Capsule Headlamps) | P27/7W | Check Price |
| 2009-2018 | 4157 (With Halogen Capsule Headlamps) | 4157 | 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 |
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25). 12V, 27W/7W. | 3157 | Check Price |
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25). 12V, 27W/7W. | 4157 | Check Price |