Chevrolet Cobalt (2005 – 2010) – bulb specification
Year of production: 2005, 2006, 2007, 2008, 2009, 2010
| Exterior lamps | Bulb number |
| Back-Up Lamps | 921 |
| Center High-Mounted Stoplamp (CHMSL) | 912 |
| Front Parking/Turn Signal Lamps | 3157KX |
| Halogen Headlamps, High/Low-Beam | 9007 LL |
| License Plate Lamp and Sidemarker | 194 |
| Stoplamp, Taillamp and Turn Signal Lamps | 3057KX |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.