Low Beam Headlight Bulb Size: 9006
High Beam Headlamp Light Bulb Size: 9005
Parking Light Bulb Size: 3157A
Front Turn Signal Light Bulb Size: 3157A
Rear Turn Signal Light Bulb Size: 1157 or 3157LL
Tail Light Bulb Size: 1157 or 3157LL
Stop Light Bulb Size: 1157 or 3157LL
High Mount Stop Light Bulb Size: 921
Fog/Driving Light Bulb Size: 880
License Plate Light Bulb Size: 194 or 67/97
Back Up Light Bulb Size: 1156 or 1156 or 3156
Front Side Marker Light Bulb Size: 3157A
Rear Sidemarker Light Bulb Size: PC195
Ash Tray Light Bulb Size: 194
Glove Box Light Bulb Size: 194
Map Light Bulb Size: 168 or 211-2
Dome Light Bulb Size: 211-2
Step/Courtesy Light Bulb Size: 1003 or 211-2 or 74
Trunk/Cargo Area Light Bulb Size: 912
Under Hood Light Bulb Size: 89 or 93
Instrument-General Light Bulb Size: 161 or 194 or 74
Check Engine Indicator Light Bulb Size: 74
Hi-Beam Indicator Light Bulb Size: 74
Seat Belt Indicator Light Bulb Size: 74
Brake Warning Light Bulb Size: 74
Automatic Transmission Indicator Light Bulb Size: 161
Directional Signal Indicator Light Bulb Size: 74
Daytime Running Light Bulb Size: 4114LL
I found these out at the shop and didn't know if anyone knew them, written down word for word, so there shouldn't be any mistakes.
I do not know if these bulb sizes are for all trucks, but i know it's for these model trucks.
2002 Chevrolet Silverado 1500 z71
6.5" BDS Suspension Lift Key'd to 9"
5.5" Lift Springs with 4" Blocks
35" Toyo Open Country Mud Terrain on 18" Ion Alloy 179's
AirAid Cold Air Intake with K&N Dry Filter & AirAid PowerAid Throttle Body Spacer
Pacesetter Long Tube Headers with Catalytic Converters Removed and True Dual Exhaust FlowPro Mufflers 4" Stainless Tips
Bosch +4 Iridium Spark Plugs MSD Ignition Plug Wires
Innovate LC-1 Wideband o2 Sensor x2
BDS Dual Steering Stabilizers
Electric Fan
4.56 Gears
EFI Live

nice information
they almost have the same bulbs for the NBS
2004 4.8| Custom Paint| Tint| De-badged| Shaved Tailgate| Rollpan| Smoked Tails| Color Matched| Lowered 5/8| Suede Interior| Color Matched Interior| Indash & TVs| Mids-Lows & 2 12" CVRs| 500 & 1100 Interfires| Soundeadener| Outlaw CAI| Magnaflow|
Future Mods: 6.0 LQ4/9| Bags|
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