Ford Focus mk3 (from 2010) – bulb specification (USA version)
Year of production: 2010, 2011, 2012, 2013, 2014, 2015, 2016
| Function | Trade number |
| Headlamps high beam (Halogen) | H1LL |
| Headlamps high beam (HID) | D3S |
| Headlamp low beam (Halogen) | H1LL |
| Headlamp low beam (HID) | D3S |
| Daytime running lamps | H1LL |
| Daytime running lamps (High series) | LED |
| Park lamp – front | 193 |
| Park lamp – front (High series) | LED |
| Direction indicator – front | WY21W |
| Direction indicator – front (High series) | PY21W |
| Fog lamps | H8 |
| Direction indicator – rear (4-door) | P27/7W |
| Direction indicator – rear (5-door) | 3757 NAK |
| Rear and brake lamps | P27/7W |
| Rear lamps (4-door) | 194 |
| Rear lamp (5-door high series) | LED |
| Sidemarker – rear (5-door) | 194 |
| Sidemarker – rear (High series) | LED |
| Backup lamp | 921 |
| License plate lamp | LED |
| High-mount brake lamp | LED |
| Interior lamps | LED |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.