Diode Dynamics 20-21 Sierra 2500/3500 LED Sidemarkers HD Smoked Set

The Diode Dynamics 20-21 Sierra 2500/3500 LED Sidemarkers HD Smoked Set are high-performance, plug-and-play replacement LED fender lights designed for GMC Sierra HD models from 2020 and newer. Featuring a fully-illuminated dual-lens housing for an even glow, these sidemarkers enhance vehicle visibility and style. They include a dynamic startup sequence with an animated amber illumination that spreads from the center, creating a distinctive look. An optional sequential turn signal feature provides a flowing amber pattern during signaling, using an included plug-and-play wiring harness for easy installation. Constructed with OEM-grade materials and assembled in the USA, these LED sidemarkers offer upgraded styling, brighter illumination, and reliable fitment for a durable, high-quality upgrade.

Designed specifically for 2020+ GMC Sierra HD trucks, these sidemarkers are compatible with models equipped with fender lights and are suitable for street and daily driving applications. They serve as direct replacements for factory fender lights, illuminating the entire housing width for a more prominent appearance. The kit includes the LED sidemarker set with optional sequential turn signals and wiring harness. Available in smoked, amber, or clear lens options, they suit various aesthetic preferences and vehicle colors, especially black and grey. These LED sidemarkers are ideal for owners seeking improved visibility, modern styling, and a distinctive lighting signature on their Sierra HD trucks.