For the 2016 Ford Focus, the low-beam headlight fitment is D3S or H11, while the high-beam fitment is H1 or D3S. Because the available bulb depends on the installed headlight assembly, confirm whether the vehicle has HID or halogen headlights before ordering. D3S is listed for both low- and high-beam applications, while H11 and H1 are also listed as applicable options.
- Front turn signals use 7440A; hatchbacks with HID headlights use 7507.
- Daytime running lights are LED on hatchbacks with HID headlights and H1 on sedans.
- Parking-light options include 194 and 7441, with additional hatchback variations: 168 and 917 for halogen headlights, or LED for HID headlights.
- Rear turn signals differ by body style: 3757A for hatchbacks and 3157 for sedans.
- Reverse lights use 921, while brake and tail lights use 3157R.
The center stop light, license-plate light, dome light, and map light are listed as LED. No fog-light bulb fitment is provided.