Item Type
GMC Sierra: Multicolor Flow Series Alphablack Headlights (2014–2018) | Alpharex
Headlight Version:
Headlight Version
Converter:
Converter
Quick details Install, fitment & included items
- Install: Replace the headlight assemblies and connect the lighting controller. No headlight opening required.
- What's Included: Headlight assemblies and Bluetooth controller.
- Compatibility: GMC Sierra; see model/trim details.
- Part #: MHL-30
Add Halo Shield™ protectionOptional
Extends LED protection + peace of mind.
Learn more
Price is per item. Coverage quantity follows the covered item in your cart.
Questions?
Overview
✨ Why You’ll Love This Mod
🔥 Alpharex LED housings with bold styling and premium optics
🌟 Flow Series DRLs with color-chasing animation modes
📱 Full control with Bluetooth app + handheld remote
🔧 Plug-and-play fitment designed for the new body style GMC Sierra
🧠 Hand-built with precision and inspected for quality before shipping
🔥 Upgrade Your Sierra with Custom Multicolor Headlights
Bring show-level style to your GMC Sierra with our Alpharex Flow Series Multicolor Headlights. Featuring dynamic DRLs and full RGB effects, these custom lights command attention while offering true plug-and-play convenience. Perfect for turning heads on the street or lighting up the show scene.
Lighting
🎨 Color Options & Control
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Flow Series DRL Boards — Dynamic color-chasing LEDs with flowing animations and RGB customization
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(2-in-1) Controller Included — Use the Bluetooth app or included handheld remote to control colors, modes, and speed
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Lighting Features — Music sync, saved presets, adjustable brightness, and full mode control
💡 Brightness & Light Output
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Built-in LED Projectors — Around 3400 lumens of powerful nighttime visibility
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Clean Cutoff Line — Sharp beam pattern to reduce glare and improve focus
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Pure Output — Designed for clarity, brightness, and performance
Compatibility
- 14-18 GMC Sierra 1500
- 15-18 GMC Sierra 2500 HD
- 15-18 GMC Sierra 3500 HD
- * Not compatible with 2014 old body style model** 14-15 GMC Sierra with halogen DRL or LED DRL are direct fit*** 16-18 GMC Sierra with stock halogen turn signal is direct fit**** 16-18 GMC Sierra with stock LED turn signal requires converter for installation
- 16-18 Chevrolet Silverado 1500 (Headlights with stock LED turn signal require converters for installation)
Manufacturer fitment reference
Installation
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Estimated Time: 1–4 hours
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Tools Needed: Basic hand tools
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Overview: Plug-and-play base housings. Connect LED controller to battery. Use included T-Taps for turn signal wire splice (if required).
- Install Guide: Installation PDF for 14-18 GMC Sierra Headlights
What’s Included
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(2) Custom Multicolor Alpharex Headlights (Driver + Passenger Side)
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(1) Hybrid Bluetooth + Handheld Remote Controller
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Install Guide
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Decals & Stickers
Support
🛡️ Warranty & Support
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1-Year Warranty: Covers defects and build quality
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Optional Extended Coverage: 1–3 year EXTEND plan available
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Expert Support: Contact our U.S.-based team with any install or post-purchase questions
📦 Shipping
Each set is built to order by our trained techs. Shipping typically takes 1–3 weeks depending on order queue and part availability.
Need help or an update? Contact us here.
❗ Cancellation Policy
All prebuilt headlight orders are final. Each set is made-to-order, and we special order the housings specifically for your build. Because of this, we do not allow cancellations or refunds once your order is placed.
If an exception must be made, a restocking fee of up to 40% may apply to cover sourcing and labor costs. By checking out, you agree to this policy.