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

Features Plug-and-play compatible with GMC Sierra HD 2020+ fender lights Dynamic startup sequence with animated effect Fully-illuminated housing, with dual-lens design for an even glow Optional Sequential turn signal feature, with plug-and-play wiring harness OEM-grade construction and perfect fitment Engineered and assembled in USA Overview Upgraded Styling. These LED sidemarkers are a plug-and-play replacement for the factory fender lights, illuminating the entire width of the housing for a distinctive look and brighter appearance. Choose from three lens color options to get the look you're after. Unique Startup. Both the standard and sequential models feature a unique startup sequence. Every time the sidemarkers turn on, they illuminate in an intense amber color starting from the center then spreading to either side. Once they are completely illuminated, they gradually return to a running light mode. Sequencing Turn Signal. Our sequential option provides an upgrade in functionality. Anytime you hit your turn signal, the sidemarkers illuminate in a sequencing amber pattern to indicate signaling! The sequential option uses the included plug-and-play harness to power the fender lights using the headlight connector. Options Amber: These match your original sidemarkers, and are DOT/SAE compliant. Smoked: A dark appearance, great on black and grey vehicles. Clear: These are clear in color, but still have the retroreflector optics. These LED sidemarkers are a plug-and-play replacement for the factory fender lights illuminating the entire width of the housing for a distinctive look and brighter appearance. Included in the box: Four (4) replacement sidemarkers Ten (10) fender clips

• 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
• lamp

Upgrade your GMC Sierra HD with the Diode Dynamics Part DIODD5127 LED sidemarkers, designed for models from 2020 onward. These plug-and-play replacements feature a fully illuminated housing with dual-lens design, providing an even glow across the entire width of each sidemarker for a distinctive and modern appearance. Crafted with OEM-grade construction and assembled in the USA, these sidemarkers ensure perfect fitment and durability. The upgraded styling enhances vehicle aesthetics while maintaining compliance with DOT/SAE standards, and the smoked lens option offers a sleek dark appearance suitable for black or grey vehicles. These sidemarkers include four replacement units and ten fender clips, making installation straightforward without modifications required. The advanced LED technology offers a dynamic startup sequence that begins with a bright amber glow from the center, spreading outward, then settling into a steady running light. Additionally, the optional sequential turn signal feature provides a striking amber sequencing pattern when signaling, utilizing the included plug-and-play wiring harness connected to the vehicle's headlight system for seamless operation. Whether you prefer the amber, smoked, or clear lens options, these sidemarkers deliver superior visibility and an upgraded look that complements your vehicle’s style. Engineered and assembled in the USA, the Diode Dynamics LED sidemarkers are a reliable choice for enhancing your Sierra HD’s exterior with modern lighting technology and sophisticated design.

Features:

• Plug-and-play installation compatible with GMC Sierra HD 2020+ fender lights

• Dynamic startup sequence with animated amber effect

• Fully-illuminated housing with dual-lens design for an even glow

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

• OEM-grade construction ensuring perfect fitment and durability

• Available in amber, smoked, and clear lens options

• Engineered and assembled in the USA for quality assurance

Fitment:
GMC Canyon AT4 2023
GMC Canyon AT4 2024
GMC Canyon AT4 2025
GMC Canyon AT4 2026
GMC Canyon AT4X 2023
GMC Canyon AT4X 2024
GMC Canyon AT4X 2025
GMC Canyon AT4X 2026
GMC Canyon Denali 2023
GMC Canyon Denali 2024
GMC Canyon Denali 2025
GMC Canyon Denali 2026
GMC Canyon Elevation 2023
GMC Canyon Elevation 2024
GMC Canyon Elevation 2025
GMC Canyon Elevation 2026
GMC Sierra 2500 HD AT4 2020
GMC Sierra 2500 HD AT4 2021
GMC Sierra 2500 HD AT4 2022
GMC Sierra 2500 HD AT4 2023
GMC Sierra 2500 HD AT4 2024
GMC Sierra 2500 HD AT4 2025
GMC Sierra 2500 HD AT4 2026
GMC Sierra 2500 HD AT4X 2024
GMC Sierra 2500 HD AT4X 2025
GMC Sierra 2500 HD AT4X 2026
GMC Sierra 2500 HD Base 2020
GMC Sierra 2500 HD Base 2021
GMC Sierra 2500 HD Base 2022
GMC Sierra 2500 HD Denali 2020
GMC Sierra 2500 HD Denali 2021
GMC Sierra 2500 HD Denali 2022
GMC Sierra 2500 HD Denali 2023
GMC Sierra 2500 HD Denali 2024
GMC Sierra 2500 HD Denali 2025
GMC Sierra 2500 HD Denali 2026
GMC Sierra 2500 HD Denali Ultimate 2024
GMC Sierra 2500 HD Denali Ultimate 2025
GMC Sierra 2500 HD Denali Ultimate 2026
GMC Sierra 2500 HD Pro 2023
GMC Sierra 2500 HD Pro 2024
GMC Sierra 2500 HD Pro 2025
GMC Sierra 2500 HD Pro 2026
GMC Sierra 2500 HD SLE 2020
GMC Sierra 2500 HD SLE 2021
GMC Sierra 2500 HD SLE 2022
GMC Sierra 2500 HD SLE 2023
GMC Sierra 2500 HD SLE 2024
GMC Sierra 2500 HD SLE 2025
GMC Sierra 2500 HD SLE 2026
GMC Sierra 2500 HD SLT 2020
GMC Sierra 2500 HD SLT 2021
GMC Sierra 2500 HD SLT 2022
GMC Sierra 2500 HD SLT 2023
GMC Sierra 2500 HD SLT 2024
GMC Sierra 2500 HD SLT 2025
GMC Sierra 2500 HD SLT 2026
GMC Sierra 3500 HD AT4 2024
GMC Sierra 3500 HD AT4 2025
GMC Sierra 3500 HD AT4 2026
GMC Sierra 3500 HD Denali 2024
GMC Sierra 3500 HD Denali 2025
GMC Sierra 3500 HD Denali 2026
GMC Sierra 3500 HD Denali Ultimate 2024
GMC Sierra 3500 HD Denali Ultimate 2025
GMC Sierra 3500 HD Denali Ultimate 2026
GMC Sierra 3500 HD Pro 2024
GMC Sierra 3500 HD Pro 2025
GMC Sierra 3500 HD Pro 2026
GMC Sierra 3500 HD SLE 2024
GMC Sierra 3500 HD SLE 2025
GMC Sierra 3500 HD SLE 2026
GMC Sierra 3500 HD SLT 2024
GMC Sierra 3500 HD SLT 2025
GMC Sierra 3500 HD SLT 2026