These are drop in replacement lights for the 2020+ GMC 2500/3500 fender lights. Offered as a direct replacement running light or an upgrade to a running light and sequential turn signal. Completely plug and play; no cutting or splicing whatsoever. Easy install with full installation videos. Available with a smoked or frosted lens, and the included wiring harness makes installation easy (links to videos are below).
The running & sequential reflectors also feature a warmup sequence when the running lights are activated for the first time.
These replace the factory lights which are part numbers 84185031.