What Size Bulbs Does a 2013 Ford Focus Use?
Correct headlight, fog light, and tail light bulb sizes. Sourced from OEM catalog data.
Installation Difficulty
Easy (Plug and Play)
Est. Replacement Cost
$15 - $40 (Halogen) / $30+ (LED)
What Lighting System Does the 2013 Ford Focus Have?
The 2013 Ford Focus features an extensive lighting system with 12 bulb positions. It uses halogen technology with a single HID-D8S LED dual-filament bulb handling both low and high beams. The Focus has been available from 2000 to 2018, and the 2013 model falls in the mid-generation years.
Can You Put LED Bulbs in a 2013 Ford Focus?
Upgrading the 2013 Ford Focus to LED headlights is straightforward since it uses a single HID-D8S LED dual-filament bulb for both low and high beams. You only need one pair of LED bulbs to upgrade both functions. Look for a HID-D8S LED LED kit that specifically supports dual-filament operation to ensure both beams work correctly. For the fog lights, a H11 LED LED bulb provides a clean white output that pairs well with LED headlights.
How to Replace Bulbs on a 2013 Ford Focus
To remove the headlight bulb, disconnect the wiring harness, then twist the bulb counter-clockwise and pull it straight out of the housing. Older model years like the 2013 Focus typically offer easy access to the headlight bulbs from behind the headlight assembly under the hood. Most owners can complete the swap in under 10 minutes per side. When installing the new bulb, avoid touching the glass with bare fingers. Skin oils create hot spots that shorten bulb life. Wear clean gloves or handle the bulb by its plastic base only. The fog lights are accessed from underneath the front bumper. You may need to remove a few plastic clips or screws from the fender liner to reach the H11 LED fog light socket.
Full Upgrade Bundle
Upgrade All 12 Positions at Once
2013 Ford Focus Complete Bulb Size Chart
| Position | Bulb Size | Shop |
|---|---|---|
Low Beam | HID-D8S LED | Buy HID-D8S LED |
High Beam | HID-D8S LED | Buy HID-D8S LED |
Fog Light | H11 LED | Buy H11 LED |
Brake Light | LED Bulb | Buy LED Bulb |
Side Marker | 3157K LED | Buy 3157K LED |
Turn Signal Front | 7440 LED | Buy 7440 LED |
Turn Signal Rear | 3757AK LED | Buy 3757AK LED |
Reverse Light | 921 | Buy 921 |
Dome Light | 47830 | Buy 47830 |
License Plate | LED Bulb | Buy LED Bulb |
Parking Light | 168NA | Buy 168NA |
Trunk Light | 2825 | Buy 2825 |
Want to upgrade everything at once?
Shop Complete LED Kit for 2013 Ford FocusHow Long Do 2013 Ford Focus Headlight Bulbs Last?
Standard halogen headlights on the 2013 Ford Focus have an expected lifespan of 500 to 1,000 hours, which works out to roughly 2 to 3 years of normal use. Signs of a failing halogen bulb include noticeably dimmer output, a yellowish tint compared to the other headlight, or intermittent flickering. At 13 years old, the original bulbs on your Focus are likely overdue for replacement. Even if they still illuminate, reduced brightness significantly impacts nighttime safety. When one headlight burns out, replace both sides at the same time. Bulbs from the same batch age at similar rates, and mismatched brightness is distracting to oncoming drivers.
What Bulbs Are Compatible with the 2013 Ford Focus?
The D8S low beam bulb on the 2013 Ford Focus is a specific fitment. There are no widely recognized cross-compatible alternatives, so make sure to purchase the exact D8S size. Using the wrong bulb size can cause improper beam patterns that reduce your visibility and blind other drivers. It can also cause overheating inside the headlight housing, potentially warping the plastic lens or reflector. Always verify the bulb number before purchasing.
2013 Ford Focus Headlight FAQ
Did Ford Focus Bulb Sizes Change Over the Years?
Over its production run from 2000 to 2018, the Ford Focus has seen bulb size changes in the Low Beam, High Beam and Fog Light positions. The 2013 model uses the earlier bulb specification that was in place before the change around 2015. Always verify the exact bulb size for your specific 2013 model year using the chart above, as using the wrong size can result in poor fitment or reduced light output.
Other Focus Years
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Other Vehicles That Use HID-D8S LED Bulbs
These vehicles from other makes also use a HID-D8S LED low beam bulb: