2021 Ford Mustang Light Bulbs Types:
| Bulb | Type |
| Headlamps | LED |
| Front park and Direction indicators | LED |
| Front side marker | LED |
| Front fog lamp | LED |
| Rear lamp, brake lamp and direction indicator lamp | LED |
| Rear side marker | 194 |
| High-mount brake lamp | LED |
| Backup lamp | 3156 or 3157 |
| License plate lamp | LED |
| Dome and Map lamp | W5W |
| Glove box | T-3 |
| Cargo lamp | LED |
| Daytime Running Lamp | LED |
