For the 2002 Chevrolet Silverado 2500HD, the low-beam headlight uses a 9006 bulb, while the high beam uses a 9005. The supplied fitment data does not identify separate projector or non-projector headlight applications, so confirm the original bulb before ordering if your truck has a different headlamp configuration.
- Fog lights: 880
- Daytime running lights: 4114
- Front turn signals and parking lights: 3157A
- Rear turn signals: 3157A
- Brake and tail lights: 3157R
- Reverse lights: 3157
- Center stop light: 921
- Front and rear side markers: 194NA
For utility and interior lighting, the glove box uses 194, the map light uses 168, the trunk light uses 912, and the engine compartment light uses 93. License plate lighting may use 97 or 194; compare the original bulb. Courtesy and dome lights also have two listed options, so compare those bulbs before replacement.