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

Year	Make	Model	Submodel
2023-2024	GMC	Canyon	AT4
2023-2024	GMC	Canyon	AT4X
2023-2024	GMC	Canyon	Denali
2023-2024	GMC	Canyon	Elevation
2020-2024	GMC	Sierra 2500 HD	AT4
2024	GMC	Sierra 2500 HD	AT4X
2020-2021	GMC	Sierra 2500 HD	Base
2020-2024	GMC	Sierra 2500 HD	Denali
2024	GMC	Sierra 2500 HD	Denali Ultimate
2022-2024	GMC	Sierra 2500 HD	Pro
2020-2024	GMC	Sierra 2500 HD	SLE
2020-2024	GMC	Sierra 2500 HD	SLT