Installation Time
(approx) 1 Hour
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
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Features, Description, Q&A, Specs & Installation
High‑Impact Styling Upgrade. Transform your Silverado’s factory mirror marker lights into a bold visual statement with Boost Auto Parts’ smoked sequential switchback modules. These Boost Auto Parts Sequential Switchback Towing Mirror Marker Lights with Spotlight and Startup Sequence; Smoked feature bright white running illumination during the day and transition to a sweeping amber sequential turn signal when activated. The smoked lens adds a sleek, aggressive tone that complements modern styling while preserving full signal clarity and visibility for safety and compliance.
Plug‑and‑Play With Tow‑Mirror Integration. Designed specifically for OEM tow mirror housings on 2020–2026 Silverado 3500 HD models, these Boost Auto Parts Sequential Switchback Towing Mirror Marker Lights with Spotlight and Startup Sequence; Smoked install seamlessly without cutting, splicing, or custom wiring. They retain the forward-facing spotlight functionality (if equipped) and connect directly to the factory wiring harness, supporting running lights, turn signals, and the optional startup sequence. This integration ensures a clean install and full compatibility with your Silverado 3500 HD’s electrical system.
Sequential Switchback Feature With “Show” Appeal. The standout feature of these Boost Auto Parts Sequential Switchback Towing Mirror Marker Lights with Spotlight and Startup Sequence; Smoked is their dynamic switchback functionality. When the vehicle is unlocked, an optional startup scanning sequence activates, creating a premium visual effect before you even start the engine. During normal operation, the lights run in crisp white mode and switch to amber sequential signaling when turning-adding both style and enhanced visibility to your Silverado 3500 HD’s mirror profile.
Build Quality & Finish You Can Trust. Crafted with high-output LEDs housed in smoked-lens assemblies, these Boost Auto Parts Sequential Switchback Towing Mirror Marker Lights with Spotlight and Startup Sequence; Smoked are built for durability and performance. Sealed connectors and OE-style mounting hardware ensure long-term reliability and weather resistance. Purpose-built for Silverado and Sierra platforms with tow mirrors, they deliver a refined, modern appearance that elevates your Silverado 3500 HD’s exterior while standing up to daily use and environmental exposure.
Installation. Putting these Boost Auto Parts Sequential Switchback Towing Mirror Marker Lights with Spotlight and Startup Sequence; Smoked on your Silverado 3500 HD takes 1 hour to install.
Warranty. There is a 2-year limited warranty on this product.
Application. The Boost Auto Parts Sequential Switchback Towing Mirror Marker Lights with Spotlight and Startup Sequence; Smoked fit 2020-2026 Silverado 3500 HD models.
Boost Auto Parts 5903LTXS-2 & 5903RTXS-2 & SU
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation Info
Installation Time
(approx) 1 Hour
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
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