2021 Ford F-150 Light Bulbs Types:
| Bulb | Type |
| Central high mounted stop lamp | 912 |
| Central high mounted cargo lamp. Vehicles with cargo box | LED |
| Daytime running lamp (XLT optional, Lariat, Platinum, King Ranch, Limited) | LED |
| Daytime running lamp (XLT optional, XL) | H11 |
| Front turn signal and parking lamp (XLT optional, Lariat, Platinum, King Ranch, Limited) | LED |
| Front turn signal and parking lamp (XLT optional, XL) | 4257NA |
| Front fog lamp (XLT optional, Lariat, Platinum, King Ranch, Limited) | LED |
| Front fog lamp (XL and XLT optional) | 9140 |
| Front side marker lamp (Lariat optional, Platinum, King Ranch, Limited) | LED |
| Front side marker lamp (Lariat optional, XL, XLT) | W5W |
| Headlamp (XLT optional, Lariat, Platinum, King Ranch, Limited) | LED |
| Headlamp low beam (XLT optional, XL) | H11 |
| Headlamp high beam (XLT optional, XL) | 9005 |
| License plate lamp | W5W |
| Puddle lamp | LED |
| Rear cargo box lamp | LED |
| Rear turn signal (XL optional) | WTY21W |
| Rear lamp, stop lamp (XL optional) | WT21W/7W |
| Rear lamp, stop lamp, rear turn signal and rear side marker lamp (XL optional, XLT) | WT21W/7W |
| Reversing lamp (XL optional) | WT21W |
| Reversing lamp (XL optional, XLT) | LED |
| Side turn signal lamp | LED |
| Taillamp-all functions (Lariat, Platinum, King Ranch, Limited) | LED |
