Ford F-550 Super Duty Side Marker Bulb Size
The Ford F-550 Super Duty front side marker uses a 12961 or 194 bulb size, while the rear side marker requires a 3157 or 12961 bulb size. The replacement chart covers vehicle production years spanning 1999 to 2022.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Front Side Marker
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 |
|---|---|---|---|
| 2021-2022 | 12961 | 12961 | Check Price |
| 2017-2019 | 12961 (With Halogen Capsule Headlamps) | 12961 | Check Price |
| 2011-2016 | 12961 | 12961 | Check Price |
| 1999-2010 | 194 | W5W | Check Price |
Rear Side Marker
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 |
|---|---|---|---|
| 2021-2022 | 3157 | P27/7W | Check Price |
| 2017-2019 | 3157 (With Halogen Capsule Headlamps) | P27/7W | Check Price |
| 2011-2016 | 3157 | P27/7W | Check Price |
| 2007-2010 | 12961 | 12961 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| Philips part number. Miniature wedge bulb (T10) with W2.1x9.5d base. 12V, 5W. | 12961 | Check Price |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 | Check Price |
| ECE standard (Europe & worldwide). Single-filament signalling bulb with W2.1x9.5d wedge base. 12V, 5W. | W5W | Check Price |
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25). 12V, 27W/7W. | 3157 | Check Price |