Instructions to Change the Passenger-Side Headlight Bulb on the 2003 Subaru Impreza WRX

Written by patrick hutchison
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Instructions to Change the Passenger-Side Headlight Bulb on the 2003 Subaru Impreza WRX
The characteristic round headlights of the 2003 Subaru Impreza WRX are part of Subaru's unique styling. (subaru wrx sti image by Jorge Moro from

The 2003 Subaru Impreza WRX is a four-door sedan based on the award winning Subaru rally cars. Subaru Imprezas offer excellent performance and safety along with attractive styling. One of the more recognisable features on the 2003 Subaru Impreza WRX are the round "bug-eye" headlights. These headlights come with standard H1 halogen bulbs and should be replaced immediately when they burn out. Changing the passenger-side headight bulb on a 2003 Subaru Impreza WRX is an important part of the general maintenance of the vehicle.

Skill level:

Things you need

  • Socket wrench
  • 10-mm socket
  • Latex gloves
  • H1 headlight bulb

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  1. 1

    Open the bonnet of your 2003 Subaru Impreza WRX, securing it with the hood prop arm.

  2. 2

    Remove the two 10-mm bolts that hold the air intake in place and remove the intake.

  3. 3

    Unplug the wiring harness from the back of the headlight assembly.

  4. 4

    Remove the plastic threaded collar from the headlight assembly by turning it counterclockwise.

  5. 5

    Put on your latex gloves and pull out the headlight, replacing it with the new H1 headlight.

  6. 6

    Secure the plastic threaded collar by turning it clockwise. Plug the wiring harness back into the headlight assembly.

  7. 7

    Attach the air intake and secure it with the two 10-mm bolts, using the socket wrench.

Tips and warnings

  • Change the driver-side headlight bulb by removing the battery and following Steps 3-6.
  • Always be careful when replacing parts in your car. Only use these instructions for 2003 Subaru Impreza WRX models. Though many headlight change instructions are similar, using these instructions for another car may damage your headlight assembly.
  • Take care not to touch your new halogen bulb with bare skin, as this can cause the lamp to overheat and fail.

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