Kenworth T680 Turn Signal Bulb Size
The Kenworth T680 front turn signal bulb utilizes 4157NA and 5702AK sizes for this model. The replacement chart covers 2013 through 2015 production 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 |
|---|---|---|---|
| 2015 | 4157NA | PY27/7W | Check Price |
| 2014 | 5702AK | 5702AK | Check Price |
| 2013 | 4157NA | PY27/7W | 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 |