2003 Ford Focus Bulb Sizes

Headlight Bulb High Beam and Low Beam - 9003

Headlight Bulb High Beam - H7

Headlight Bulb Low Beam - D2S

Center High Mount Stop Light Bulb - 2825

Brake Light Bulb - 3157R

Tail Light Bulb - 3157R

Back Up Reverse Light Bulb - 921

Trunk or Cargo Area Light(SVT) - 2825

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