Saturn Ion Turn Signal Bulb Size
Saturn Ion front turn signal bulbs use 5702AK or 4157NA size, while rear turn signal bulbs use 3057 size. Replacement chart data covers 2003 to 2007 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 |
|---|---|---|---|
| 2007 | 5702AK | 5702AK | Check Price |
| 2006 | 4157NA | PY27/7W | Check Price |
| 2005 | 5702AK | 5702AK | Check Price |
| 2004 | 4157NA | PY27/7W | Check Price |
| 2003 | 5702AK | 5702AK | Check Price |
Rear Turn Signal
| Years | Bulb Type | Shop |
|---|---|---|
| 2003-2007 | 3057 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| 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), natural amber glass. 12V, 27W/7W. | 4157NA | Check Price |
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25). 12V, 27W/7W. | 3057 | Check Price |