Makes · Ford · Focus ST
2018 Ford Focus ST bulb size chart
Catalog bulb positions and codes for the 2018 Ford Focus ST. Confirm against your owner’s manual before buying.
Bulb chart
Headlight & fog
| Position | Bulb |
|---|
| Fog Light Bulb Front | H8 LED |
| Headlight Bulb High Beam | H1 |
| Headlight Bulb High Beam and Low Beam | D3S |
| Headlight Bulb Low Beam | H11 |
Exterior signal & marker
| Position | Bulb |
|---|
| Back Up Reverse Light Bulb | 921 |
| Brake Light Bulb | 3157R |
| Daytime Running Light Bulb | H1 |
| Parking Light Bulb | 168 |
| Side Marker Light Bulb Front | 2827 |
| Side Marker Light Bulb Rear | 194NA |
| Tail Light Bulb | 3157R |
| Turn Signal Light Bulb Front(Hatchback, Compare to original - Option 1) | 7440A |
| Turn Signal Light Bulb Front(Hatchback, Compare to original - Option 2) | 7507 |
| Turn Signal Light Bulb Rear(Hatchback, Compare to original - Option 2) | 3757A |
| Turn Signal Light Bulb Rear(Sedan, Compare to original - Option 1) | 3157A |
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