Diode Dynamics - LED Sequential Sidemarkers For 2020-2021 Gmc Sierra, Amber (Set) (2020-2021 Sierra 2500 HD, Sierra 3500 HD) - DD5151
Modern LED replacement for your factory sidemarker lamp. Plug-and-play installation no modification needed. OEM fit-and-finish. OEM-grade retroreflector optics. Engineered and assembled in USA.
Diode Dynamics is a manufacturer of automotive LED lighting products. Founded in 2006, we focus on the development of unique products, incorporating the latest LED and optical technology. By directly manufacturing many of our products in St. Louis, Missouri, we are able to carefully control quality, while bringing unique items to market faster than the competition. We back our products with an industry-leading no-hassle warranty, and the best service and support experience possible. Whether it's replacement LED bulbs, full LED assemblies, multicolor accents, or unique lighting control modules, Diode Dynamics is the leader in specialty LED lighting.
