The typical 2015 Ford Focus with standard halogen headlights uses an H11 low-beam bulb and a 9005 high-beam bulb, with H11 commonly used for fog lights where equipped. If your car has factory HID headlights, it uses HID bulbs such as D2S or D3S. Always verify with your manual or by inspecting the bulb or ballast label, as configurations can vary by market and trim.
Headlight bulb configurations on the 2015 Focus can differ based on regional markets and optional equipment. The most common setup for U.S.-market Focus models is halogen headlights, but some trims or regions offered HID headlamps. To ensure you buy the correct bulbs, check your owner’s manual, the bulb label, or consult a dealer or parts professional with your vehicle identification number (VIN).
Halogen headlight configuration (typical in US-market Focus)
In most 2015 Focus models equipped with halogen headlights, the bulbs are assigned by function as follows:
- Low beam: H11
- High beam: 9005 (HB3)
- Front fog lights: H11 (where equipped)
These are the standard replacements for the common halogen-equipped Focus. If your vehicle has a different market specification or a non-halogen option, the bulb types may vary.
HID headlight option (depending on trim/market)
Some 2015 Focus models, depending on trim or region, may come with factory HID headlights. In those cases, the bulbs are HID bulbs rather than halogen, and replacement requires the correct ballast and housing compatibility.
- Headlights: D2S or D3S (check the vehicle’s ballast label or owner’s manual to confirm which is installed)
HID bulbs are not interchangeable with halogen bulbs, and improper replacements can cause electrical or lighting issues. If your Focus has HID headlights, follow manufacturer guidance or seek professional assistance for replacements.
How to confirm the exact bulb on your car
To verify the exact bulb type for your particular vehicle, use these steps:
- Look at the bulb itself or its packaging for the exact bulb type (e.g., H11, 9005, D2S, D3S).
- Consult the owner’s manual section on bulb replacement.
- Check the bulb label or ballast label if you’re working with HID headlights.
- Ask a Ford dealer or a qualified automotive parts retailer with your VIN for the precise specification.
Always replace bulbs with the correct wattage and type to avoid electrical issues or improper fitment.
Summary
For the 2015 Ford Focus, the standard halogen setup typically uses H11 for low beams and 9005 for high beams, with H11 also used for fog lights where fitted. Some markets and trims offer HID headlights, which require D2S or D3S bulbs and a compatible ballast. Always verify using the manual, the bulb label, or a dealer to ensure you purchase the correct bulbs for your specific vehicle configuration.


