When you need to replace the headlight, turning signal or parking light bulb on your 2003 Chevrolet Silverado, finding out what the replacement size you need can be a time consuming task. Whether you want to replace your headlamp bulb with a HID (High Intensity Discharge) Headlight Kit, Xenon Headlamp Kit or replace your interior lighting bulbs with LED (Light Emitting Diode) bulbs, we’re here to help you with your 2003 Chevrolet Silverado.
The Modified Life staff has taken all its Chevrolet Silverado headlight bulb replacement guide, Chevrolet Silverado light bulb size guides, Chevrolet Silverado light bulb replacement guides and cataloged them online for use by our visitors for free. Our Chevrolet Silverado light bulb guides allow you to easily replace light bulbs, replace headlight bulb, change a broken lightbulb, install a hid headlight conversion or install led light bulbs instead of spending countless hours trying to figure out which light bulb sizes in your 2003 Chevrolet Silverado.
Feel free to use any replacement light bulb sizes that are listed on Modified Life but keep in mind that all information here is provided as is without any warranty of any kind. Use of the replacement bulb size information is at your own risk. Always verify all light bulb sizes, bulb voltage usage and bulb wattage before applying any information found here to your 2003 Chevrolet Silverado.
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2003 Chevrolet Silverado Replacement Light Bulb Sizes
Low Beam Headlamp Light Bulb Size: 9006 or 9006 HID Upgrade Kit
High Beam Headlight Bulb Size: 9005 or 9005 HID Upgrade Kit
Parking Light Bulb Size: 3157NALL
Front Turn Signal Light Bulb Size: 3157NALL
Rear Turn Signal Light Bulb Size: 3157LL
Tail Light Bulb Size: 3157LL
Stop Light Bulb Size: 3157LL
High Mount Stop Light Bulb Size: 921
Fog/Driving Light Bulb Size: 9145
License Plate Light Bulb Size: 194
Back Up Light Bulb Size: 3157LL
Front Sidemarker Light Bulb Size: 194
Rear Side Marker Light Bulb Size: 194
Ash Tray Light Bulb Size: 161
Glove Box Light Bulb Size: 194
Map Light Bulb Size: 168 578
Dome Light Bulb Size: 211-2 or 578
Step/Courtesy Light Bulb Size: 194 or 74
Trunk/Cargo Area Light Bulb Size: 912
Under Hood Light Bulb Size: 93
Daytime Running Light Bulb Size: 4114LL