Ram 4500 Map Light Bulb Size
The Ram 4500 map light requires a bulb size of 578 for proper installation and function within the interior overhead lighting housing. Data provided for the specific bulb requirements covers the period from 2013 through 2018.
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 | Bulb Type | Shop |
|---|---|---|
| 2013-2018 | 578 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Festoon bulb, 41mm length, end-cap contacts. 12V, 12W. | 578 | Check Price |