2003 Ford Focus Headlight Bulb Size

The 2003 Ford Focus headlights have a single bulb size (9003) for high and low beams.

Using the 2003 Ford Focus bulb chart below, you can quickly identify the correct replacement lamp for all 23 positions of its lighting system.


Headlight Bulb High Beam and Low Beam - 9003
Fog Light Bulb Front - 899
Headlight Bulb High Beam - H7
Headlight Bulb Low Beam - D2S
LED
Center High Mount Stop Light Bulb - 2825
Center High Mount Stop Light Bulb - 98
Brake Light Bulb - 3157R
Turn Signal Light Bulb Front - 3157
License Plate Light Bulb - 6418
Parking Light Bulb - 3157
Tail Light Bulb - 3157R
Daytime Running Light Bulb - 3157
Turn Signal Light Bulb Rear - 3157
Back Up Reverse Light Bulb - 921
Side Marker Light Bulb Front - 194NA
Back Up Light Bulb(Sedan) - 3156
Dome Light Bulb - 6411
Dome Light Bulb - 6428
Map Light Bulb - 3886X
Trunk or Cargo Area Light(Compare to original - Option 2) - 6411
Trunk or Cargo Area Light(Compare to original - Option 2) - 6428
Trunk or Cargo Area Light(SVT) - 2825
Trunk or Cargo Area Light(SVT) - 98

Replacement Bulb Size for the 2003 Ford Focus

Considering an upgrade from the Halogen to LED or HID headlights? Find below aftermarket replacements for OEM bulbs compatible with the 2003 Ford Focus's housing. Note that you may need additional equipment to install LED or Xenon bulbs despite the correct bulb size of the lamp.

2003 Ford Focus High and Low Beam bulb size - 9003

Halogen Lights

In combination with headlights, taillights, and other lighting components, bulbs play a key role in providing good road lighting and optimal visibility. So bulbs are...
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LED Lights

Enhanced Visibility: Hikari VisionPlus H4/9003 LED Bulbs, Dual Beam provide superior lighting visibility, ensuring clear and even illumination across your vehicle. Perfect for night driving,...
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Introducing the Laxmas H4/9003/HB2 LED Bulbs - the ultimate headlight upgrade for unparalleled brightness and performance. With its impressive features and hassle-free installation, this bulb...
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2003 Ford Focus High Beam bulb size - H7

Xenon HID Conversion Kit

– Easy and Simple installation - Usually takes less than 20 minutes! "Plug-and-Play" in most vehicles.
–Lasts 5X Longer. 35% Less Power Consumption - Service...
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- Genuine Morimoto Elite HID System
- Heavy Duty Double Relay Harness
- Pair of High-Quality Morimoto Bulbs


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LED Lights

NOVSIGHT offers upgraded LED headlight bulbs with the latest CSP chips. They provide 900% brighter illumination than halogen bulbs, improving visibility and range for safer...
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Key product benefits:

  • XHP50.2, 15,000lm High Performance LED;
  • 360 degrees adjustable bulb holder;
  • +100% Nighttime Driving Visibility, Wider beam pattern;
  • CANBUS Built-in;
  • Plug and play, 5mins installation.

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Halogen Lights

– Crisp, white light, for the look, feel, and attitude of HID.
– Proprietary Xenon halogen gas technology.
– Best alternative and value compared to...
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Made from high-quality quartz glass and alloy filaments. The Xtreme White Hybrid bulbs are constructed for long-lasting performance. The alloy filaments are far better at...
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2003 Ford Focus Low Beam bulb size - D2S

LED Lights

Each all-in-one LED conversion light lamp features mute fan cooling, D2S and D2R HID Ballast compacompatibility Operating voltage same as the D2 Xenon bulb, CanBus...
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Popular Headlights


Explore the custom LED headlight kits that will improve the visibility ahead of the 2003 Ford Focus at night. Made of quality materials, bright and long-lasting, they would be a perfect alternative to old or dimmed factory headlights. Explore more headlights for Ford Focus 2003 here.


Popular Taillights


A pair of custom tail lights is necessary if the people behind your 2003 Ford Focus are to be impressed. Consider direct bolt-on replacements powered by LED instead of worn-out or damaged tail lights.




Ford Focus 2003 bulb size chart specifies the recommended bulb part numbers and types for all positions of its lighting system, like headlights, fog lights, brake lights, side markers, etc.

If you want to upgrade the headlights, the aftermarket bulb you select has to be the exact size your Ford Focus 2003 requires to fit into the housing and match the wattage and voltage specifications.

LightningLab project pulls information about the 2003 Ford Focus bulb sizes from the vehicle's manual and leading automotive lighting suppliers. All the data is classified and fact-checked by our editorial team.

The following chart with the 2003 Ford Focus bulb sizes is provided for informative purposes only. Consult the owner's manual or contact the dealership to double-check the correct bulb type, wattage, voltage, and whether it requires any additional equipment or modifications to be installed on the specific 2003 Ford Focus trim.

Ensure the bulb is "DOT" compliant to avoid legal issues.


FAQs

How to replace the 2003 Ford Focus headlight bulb?

First things first, you'll need the right 2003 Ford Focus bulb size. Of course, you may consult the owner's manual, but let's be honest, that's as dull. Instead, just look at the chart above or remove the old bulb to see its size. It's not rocket science; it's more like... bulb science.

Follow the simple step-by-step instructions:

  1. 1) Park the 2003 Ford Focus on an even surface and turn off the ignition.
  2. 2) Open the hood and pop it up.
  3. 3) Pull the lock bar up and out of the clip to fix the hood.
  4. 4) Identify the back of the headlight assembly where the bulb is housed.
  5. 5) You may need to remove other components to access it.
  6. 6) Locate the electrical connector at the back of the headlight compartment.
  7. 7) Press down on the locking tab and pull the connector away from the bulb.
  8. 8) Remove the Old Bulb. Depending on your trim, you may need to:
    1. a) Unscrew a retaining ring
    2. b) Unclip a metal pin
    3. c) Rotate the bulb counterclockwise
  9. 9) Insert the new bulb without touching the glass.
  10. 10) Plug the electrical connector back, making sure it clicks into place.
  11. 11) Turn on the headlights to test the new bulb.
  12. 12) You may need to aim your headlights.



Reviewed by Brent Ordway

Brent Ordway is an ASE-certified car technician. He has been working on cars since he was a teenager and loved helping people keep their vehicles running smoothly. Brent's skills as a mechanic are unrivaled. In 2022, he earned his place on the list of winners for the ASE Master Automobile Technician of the Year award.

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Ford Focus Bulb Chart By Years

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