AlphaRex LUXX-Series LED Black Tail Lights for K2XX GMC Sierra 1500 / 2500HD / 3500HD

The GMC Sierra 1500 / 2500HD / 3500HD is a proven platform that continues to attract enthusiasts looking for purposeful lighting upgrades. AlphaRex has developed dedicated  tail lights to complement the vehicle’s front-end character with a refined, OEM-inspired look with precision LED optics. The LUXX-Series tail light are purpose-built to enhance both aesthetics and on-road visibility without compromising fit, function, or regulatory compliance.

Light Features

• The GMC Sierra tail lights use a LED light design powered by high-output LED technology for both low and high beam. A slim LED tube along the lower edge of the housing provides distinctive accent lighting. Amber sequential turn signals create a sweeping, dynamic indicator effect. An activation startup sequence illuminates the front lighting array at ignition for a signature visual impression.

Breathing Vents

• Condensation is a common challenge in both OEM and aftermarket tail lights, as moisture can accumulate inside housings due to temperature changes even with strong seals. To address this, Nitto Denko TEMISH® CAPSEAL™ air vents promote efficient moisture discharge in the GMC Sierra 1500 / 2500HD / 3500HD tail lights. These vents improve airflow within the housing so moisture can escape naturally, functioning like a breathing mechanism, earning them the “Air Breathers” name.

Housing

• The tail lights housing is constructed from high-quality polypropylene (PP) for lasting durability. Polypropylene’s strong resistance to heat and moisture helps maintain reliable performance across a wide range of driving conditions and climates.

Lens

• The GMC Sierra 1500/2500HD/3500HD tail lights use high-quality polycarbonate lenses engineered to withstand extreme weather conditions while delivering excellent lighting performance. An anti-fog coating reduces internal fogging and improves visibility in changing conditions. A protective UV-resistant coating is also applied to resist yellowing and oxidation, keeping the lenses clear and looking newer for longer.

Features

• LED tube accent
• Activation startup sequence
• Sequential turn signal
• LED light source
• Direct OEM fitment, no modifications required
• Plug-and-play installation

Included in Box

• One pair of AlphaRex LUXX-Series tail lights (driver and passenger side)
• Required mounting hardware
• Installation instructions

Applications

• GMC Sierra 1500: K2XX | 2014-2018
• GMC Sierra 2500HD: K2XX | 2014-2018
• GMC Sierra 3500HD: K2XX | 2014-2018

Frequently Asked Questions

Do the AlphaRex LUXX-Series Black tail lights fit my GMC Sierra? The AlphaRex LUXX-Series LED Black tail lights are built for the GMC Sierra 1500, 2500HD, and 3500HD on the K2XX platform from 2014 through 2018. They are direct OEM fitment replacements, so no modifications to the vehicle are required for installation.

What is the difference between the LUXX-Series Black and LUXX-Series Alpha-Black tail lights for the GMC Sierra? Both finishes share the same core construction: LED light source, LED tube accent, amber sequential turn signals, activation startup sequence, polypropylene housing, polycarbonate lenses, and Nitto Denko TEMISH CAPSEAL air vents. The difference is cosmetic; the Alpha-Black finish has a darker, more blacked-out housing appearance compared to the standard Black finish.

Do these LUXX-Series GMC Sierra tail lights need professional installation? No. The LUXX-Series Black tail lights are plug-and-play with direct OEM fitment. Mounting hardware and installation instructions ship with every set. If you would rather not handle the electrical side yourself, professional installation is always an option.

How do the LUXX-Series Black tail lights address moisture and condensation? The housings incorporate Nitto Denko TEMISH CAPSEAL air vents that promote natural airflow, letting moisture work its way out rather than collect inside. This targets the condensation buildup common in both OEM and aftermarket tail light housings when temperatures shift between driving and rest.

What materials are the LUXX-Series Black tail light housings and lenses made from? The housing uses polypropylene (PP) for durability against heat and moisture in a range of driving conditions. The lenses are high-quality polycarbonate with an anti-fog coating to reduce internal fogging and a UV-resistant coating to prevent yellowing and oxidation over time.

What is included with the AlphaRex LUXX-Series Black tail lights for the GMC Sierra? Each purchase includes one matched pair of LUXX-Series LED tail lights (driver and passenger side), all required mounting hardware, and installation instructions.

About AlphaRex

AlphaRex has emerged as a leader in the automotive lighting industry, driven by a relentless commitment to innovation and quality. Since its founding in June 2018, the company has grown from a small operation to an industry-renowned brand, overcoming challenges and seizing opportunities along the way. This dedication to technological advancement is matched by a steadfast commitment to regulatory compliance and industry standards, ensuring that every product not only meets but surpasses expectations.