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

• Plug-and-play replacement for GMC Sierra HD (2020+) fender lights

• Dynamic animated startup sequence

• Fully illuminated dual-lens housing for an even glow

• Optional sequential turn signal with plug-and-play harness

• OEM-grade construction and perfect fitment

• Available in amber, smoked, or clear lenses

• Engineered and assembled in the USA

• Modern LED replacement for your factory sidemarker lamp
• Modern LED replacement for your factory sidemarker&nbsp
• Plug-and-play installation no modification needed
• OEM-grade retroreflector optics
• Engineered and assembled in USA
• OEM fit-and-finish
  

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