The GMC Sierra 3500 HD Side Marker Light Assembly by Diode Dynamics sets a new standard for efficient vehicle customization. This product, featuring LED Sidemarkers with a sequential turn signal in an amber hue, is designed specifically for the 2020-2021 models, adding both visibility and a unique touch to your Sierra.

This LED Side Marker Light Assembly is a direct plug-and-play replacement for your factory fender lights, ensuring easy installation without the need for modifications. With its dynamic startup sequence, each time these lights activate, they showcase a captivating animated effect, transitioning smoothly from a bright center to fully illuminated ends before settling into running light mode. Made from OEM-grade construction materials, these sidemarkers offer perfect fitment and are engineered to withstand various road conditions. Available in three different lens color options—Amber, Smoked, and Clear—they provide both style and safety, meeting DOT/SAE compliance standards for peace of mind on the road.

Features

• Plug-and-play compatibility 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

Our friendly team is ready to assist with any questions you have regarding the GMC Sierra 3500 HD Side Marker Light Assembly. Feel free to contact us directly at 512-982-9393 for our Austin, Texas location or 562-981-6800 for our Los Angeles, California area location. Both locations offer installation and customization services onsite. If purchasing multiple items, consider reaching out to us for possible shipping discounts. We look forward to helping you enhance your vehicle with quality side marker lights.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov