LED Sequential Sidemarkers for 20-21 Sierra 2500/3500 HD Smoked Set Diode Dynamics GMC the HP6 LED will provide

the HP6 LED will provide far more light output than your original 41mm-sized bulb

lock em down

Mercedes and others

Upgrade your ride with the Luxx Series

Harness: 1x H13 MotoControl Bi-Xenon Harness

LED Sequential Sidemarkers for 20-21 Sierra 2500/3500 HD Smoked Set Diode Dynamics GMC the HP6 LED will provideUpgraded Styling. These LED sidemarkers are a plug and play replacement for the factory fender lights, illuminating the entire width of the housing for a distinctive look and brighter appearance. Unique Startup. Both the standard and sequential models feature a unique startup sequence. Every time the sidemarkers turn on, they illuminate in an intense amber color starting from the center then spreading to either side. Once they are completely