
2007 Hummer H3 Light Bulbs Types:
| Bulb | Type |
| Back-up Lamp, Stoplamp, Taillamp and Turn Signal Lamp | 3157K |
| Low-Beam and High-Beam Headlamp | H13 |
| License Plate Lamp | 194 |

2007 Hummer H3 Light Bulbs Types:
| Bulb | Type |
| Back-up Lamp, Stoplamp, Taillamp and Turn Signal Lamp | 3157K |
| Low-Beam and High-Beam Headlamp | H13 |
| License Plate Lamp | 194 |