HERCOO LED Sequential Side Mirror Marker Lights — White/Amber Switchback for Chevy Silverado & GMC Sierra (2016-2018)

Upgrade your Chevy Silverado or GMC Sierra with HERCOO LED Sequential Side Mirror Marker Lights. These lights add a modern, high-visibility signal while preserving the rugged aesthetics of your truck. They fit Chevrolet Silverado 1500 (2016-2018), Silverado 2500 HD/3500 HD (2016-2019), GMC Sierra 1500/3500 HD (2016-2018), and Sierra 2500 HD (2016-2019), making them a versatile exterior upgrade for your daily drive or weekend adventures.

Key design features blend practicality with a bold look. The housing uses PC material that resists scratches and stays waterproof against the elements. The amber dynamic signal is built from four rows of 120 pieces of 3528 SMD LED beads, delivering a bright, attention-catching indication that helps other road users notice your turn intentions from a distance while the white switchback complements the vehicle’s style.

What you’ll get

• 2x sequential side mirror marker lights to replace the factory units
• Wiring note: these connect to the vehicle turn signal; if the light does not illuminate, rotate the connector 180 degrees and reinstall
• Direct plug-and-play installation with no modifications required; compatible as an upgrade for factory parts 23444105 and 23444106

Design and performance highlights

• Premium PC housing that resists scratches and stands up to weather exposure
• Amber dynamic sequential flashing for a distinctive, attention-grabbing signal
• White switchback option adds a modern, dual-tone appearance for daytime and nighttime visibility
• Super bright LED output across both driver and passenger sides for enhanced signaling clarity
• Smoke lens adds a sleek, slightly smoked finish that pairs well with many factory lens styles

Installation tips and support

• Easy replacement as a plug-and-play part; no wiring or body modifications needed
• Direct fit for the listed models and part numbers; ensure correct orientation during reinstall
• 1 year of after-sales support from purchase date to help with setup or installation questions

Real-world use suggests these marker lights can contribute to a more noticeable presence on the road, especially in low-light conditions or during quick lane changes. The smoke lens and amber dynamic signal offer a balanced aesthetic that can complement a range of vehicle finishes—and while results vary, many users report a refreshed exterior look with improved signaling visibility. This is an upgrade you can consider if you want a more distinctive, modern look without compromising your vehicle’s existing style.