2003 Audi A4 Bulb Sizes

Fog Light Bulb Front - H11

Fog Light Bulb Front - H16

Headlight Bulb Low Beam(Cabriolet, with HID headlights) - D2S

Headlight Bulb High Beam(Cabriolet, with halogen headlights) - H9

Headlight Bulb Low Beam(Base, with HID headlights) - D1S

Headlight Bulb Low Beam(Base, with halogen headlights) - H7

Headlight Bulb High Beam(Base) - H7

Center High Mount Stop Light Bulb - NOT REPLACEABLE LED

License Plate Light Bulb - 6418

Parking Light Bulb - 2825

Parking Light Bulb - 98

Tail Light Bulb - 7225

Daytime Running Light Bulb - 2825

Daytime Running Light Bulb - 98

Turn Signal Light Bulb Rear - 7507

Back Up Reverse Light Bulb - 7506

Side Marker Light Bulb Front - 3457A

Side Marker Light Bulb Rear - 5007

Stepwell Light Bulb - 2825

Stepwell Light Bulb - 98

Turn Signal Light Bulb Front Outer - 2827

Turn Signal Light Bulb Front Inner - 3457A

Brake Light Bulb(Cabriolet) - 7225

Brake Light Bulb(Base) - 7528

Vanity Mirror Light Bulb - 6418

Glove Box Light Bulb - 2825

Glove Box Light Bulb - 98

Dome Light Bulb - 6411

Dome Light Bulb - 6428

Map Light Bulb - 64111

Interior Door Light Bulb - 2825

Interior Door Light Bulb - 98

Engine Compartment Light Bulb - 6411

Engine Compartment Light Bulb - 6428

Courtesy Light Bulb(Base) - 2825

Courtesy Light Bulb(Base) - 98

Trunk or Cargo Area Light(Cabriolet) - 2825

Trunk or Cargo Area Light(Cabriolet) - 98

Courtesy Light Bulb(Cabriolet, Compare to original - Option 2) - 6418

Trunk or Cargo Area Light(Base) - 6418

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