mazda3 headlight 1

2014-18 Mazda 3 Headlight Light Bulb Replacement

Learn how to replace the low-beam headlight light bulb on a third-generation Mazda 3. The following instructions apply to the Mazda 3 model years 2014, 2015, 2016, 2017, and 2018.

The replacement bulb may be H11 if your Mazda3 is equipped with a halogen lamp. Few models are equipped with a D4S bulb if they have HID headlights.

What you will need

  • H11 Light Bulb for models with halogen lights
  • D4S Bulb for models with HID lights


  1. Open the hood by pulling the hood release under the dashboard.
  2. Located the burned-out light bulb. Both the driver-side and passenger-side light bulbs are identical.
  3. Disconnect the electrical plug from the light bulb.
  4. Using gloves, twist the light bulb to remove it.
  5. Install the new light bulb. Be careful not to touch the glass with your bare hands.
  6. Push the electrical plug into the light bulb until you hear a click.

Replacing the low-beam light bulb on a Mazda 3 is easy and takes less than 15 minutes. Check the old headlight to verify if your Mazda 3 requires a halogen or HID bulb. Vehicles with HID bulbs have a high-voltage warning label by the headlight.

We hope you find the 2014-18 Mazda 3 Headlight Light Bulb Replacement guide helpful. Check these troubleshooting and repair guides for more help with your Mazda.


  • Rushit Hila • ASE Certified

    Rushit Hila, an ASE-certified engineer (G1 Automotive Maintenance and Repair), brings over two decades of hands-on experience in the automotive world to his writing. With a strong educational background, including a Master of Science in Engineering and a Bachelor of Science in Engineering, he has honed his skills and expertise through years of practical work. As a respected authority in the field, Mr. Hila is dedicated to offering insightful and valuable content that resonates with both vehicle owners and mechanics.

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