Ram 4500 Roof Marker Bulb Size
The Ram 4500 roof marker requires a 194NA bulb size for proper installation and function within the lighting assembly. Available data covers the period from 2011 through 2018 for the specified vehicle components.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Bulb Size by Year Range
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 2011-2018 | 194NA | WY5W | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10), natural amber glass. 12V, 3.78W. | 194NA | Check Price |