Low Beam: S7 9006
High Beam: S7 9005
Fog Light: S7 9005
Front Park/Turn: 3157 White, Amber, or Switchback
Front DRL: 3157 White or Amber
Front Side Marker: T10 White or Amber
Rear Park/Brake: 3157 Red
Rear Turn: 3157 Red
Rear Side marker: T10 Red
Reverse: 3157 White
3rd Brake Light: T10 2.0
Cargo Light: T15 1.0
Tag Light: Silverado LED License Plate Light Housings
Resistors (Optional): 4x Low Profile Load Resistors
General Motors manufactured the first generation of the Chevrolet Silverado from 2003-2007 under the Chevrolet brand and also as the GMC Sierra. They were built on the new GMT800 platform.
Sparksmith has a full line of LED bulbs compatible with every version of this truck.