Fitment Guaranteed for 1999 Gmc C2500

1999 Gmc C2500 Bulb Sizes

Correct headlight, fog light, and tail light bulb sizes. Sourced from OEM catalog data.

Installation Difficulty

Easy (Plug and Play)

Est. Replacement Cost

$15 - $40 (Halogen) / $30+ (LED)

Full Bulb Size Chart

PositionBulb SizeShop
Low Beam
H6054 LEDCheck Price on Amazon
High Beam
H6054 LEDCheck Price on Amazon
Fog Light
H3 LEDCheck Price on Amazon
Brake Light
921 LEDCheck Price on Amazon
Side Marker
194 LEDCheck Price on Amazon
Turn Signal Front
2357NA LEDCheck Price on Amazon
Turn Signal Rear
3057 LEDCheck Price on Amazon
Reverse Light
3156Check Price on Amazon
License Plate
194Check Price on Amazon
Map Light
168 or 211-2Check Price on Amazon
Parking Light
2357NACheck Price on Amazon
Trunk Light
912Check Price on Amazon

Installation Guide

Open in YouTube →

Frequently Asked Questions

The 1999 GMC C2500 uses a H6054 LED bulb for the low beam headlights. We recommend upgrading to LED for better visibility.

The high beam bulb size for the 1999 GMC C2500 is H6054 LED.

The 1999 GMC C2500 uses a single bulb (dual filament) headlight system. This means one bulb controls both high and low beams.

Yes, the 1999 GMC C2500 comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a H6054 LED LED conversion kit for the low beams.

Yes, the 1999 GMC C2500 takes a H3 LED bulb for the fog light position.
Disclaimer

Bulb sizes can vary by trim level. Always check your owner's manual or remove the existing bulb to verify the size before purchasing. We may earn a commission from links on this page.