Fitment Guaranteed for 2018 Gmc Sierra 2500

2018 Gmc Sierra 2500 Bulb Sizes

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

Full Bulb Size Chart

PositionBulb SizeShop
Low Beam
HID-D5S LEDCheck Price on Amazon
High Beam
HID-D5S LEDCheck Price on Amazon
Fog Light
5202 LEDCheck Price on Amazon
Brake Light
921 LEDCheck Price on Amazon
Turn Signal Front
7443 LEDCheck Price on Amazon
Side Marker
194 LEDCheck Price on Amazon
Turn Signal Rear
7444 LEDCheck Price on Amazon
Reverse Light
921Check Price on Amazon
License Plate
2825Check Price on Amazon
Parking Light
7443Check Price on Amazon
Trunk Light
921Check Price on Amazon

Installation Guide

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Frequently Asked Questions

The 2018 Gmc Sierra 2500 uses a HID-D5S LED bulb for the low beam headlights. We recommend upgrading to LED for better visibility.

The high beam bulb size for the 2018 Gmc Sierra 2500 is HID-D5S LED.

Yes, the 2018 Gmc Sierra 2500 takes a 5202 LED bulb for the fog light position.

Other Sierra 2500 Years

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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.