2021 Jeep Gladiator Light Bulbs Types:
| Bulb | Type |
| Interior Lights: | |
| Automatic Transmission Indicator Lamp | 658 |
| Heater Control Lamps (2) | 194 |
| Rocker Switch Indicator Lamp (Rear Window Defogger) | Bulbs only available from an authorized dealer |
| Soundbar Dome Lamp | 912 |
| Exterior Lights: | |
| Headlamps (2) | H13 |
| Premium Head Lamps | LED |
| Sport Front Park/Turn Signal Lamps (2) | 7442NALL |
| Premium Front Park/Turn Signal Lamps (2) | LED |
| Base (Overland/Rubicon) Turn Lamp | 7440NA |
| Base (Overland/Rubicon) Park DRL Lamp | 7443 |
| Front Side Marker Lamps (2) | LED |
| Base Fog Lamps | PSX24W |
| Premium Fog Lamps | LED |
| Rear Premium LED Tail Lamps | LED |
| Rear Base Tail Lamp Stop/Tail/Turn Bulb | 3157 |
| Rear Base Tail Lamp Backup Bulb | 7440 |
| Rear Base Tail Lamp Side Marker | LED |
| Center High-Mounted Stop Lamp | LED |
| License Lamp | LED |
