Diode Dynamics 20-21 Sierra 2500/3500 HD LED Sequential Sidemarkers Smoked Set
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.
This Part Fits:
This Part Fits:
Year | Make | Model | Submodel |
---|---|---|---|
2020-2023 | GMC | Sierra 2500 HD | AT4 |
2020-2021 | GMC | Sierra 2500 HD | Base |
2020-2023 | GMC | Sierra 2500 HD | Denali |
2022-2023 | GMC | Sierra 2500 HD | Pro |
2020-2023 | GMC | Sierra 2500 HD | SLE |
2020-2023 | GMC | Sierra 2500 HD | SLT |