Headlight Size

Makes · GMC · Sierra 2500HD

2004 GMC Sierra 2500HD bulb size chart

Catalog bulb positions and codes for the 2004 GMC Sierra 2500HD. Confirm against your owner’s manual before buying.

Bulb chart

Headlight & fog

PositionBulb
Fog Light Bulb Front9145 LED
Headlight Bulb High Beam9005
Headlight Bulb Low Beam9006

Exterior signal & marker

PositionBulb
Back Up Reverse Light Bulb3157
Brake Light Bulb3157R
Center High Mount Stop Light Bulb921
Daytime Running Light Bulb4114
License Plate Light Bulb194
Parking Light Bulb4157NA
Roof Marker Light Bulb194
Side Marker Light Bulb Front194NA
Side Marker Light Bulb Rear194NA
Tail Light Bulb3157R
Turn Signal Light Bulb Front4157NA
Turn Signal Light Bulb Rear3157A

Interior & accessory

PositionBulb
Courtesy Light Bulb(Compare to original - Option 1)194
Courtesy Light Bulb(Compare to original - Option 2)2721
Dome Light Bulb(Compare to original - Option 1)578
Dome Light Bulb(Compare to original - Option 2)211-2
Glove Box Light Bulb194
Map Light Bulb578
Trunk or Cargo Area Light912

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