FOMIUZY Left Rear LED Taillight Assembly for GMC Yukon/Yukon XL 2015–2020 — Direct-Fit, Lifetime Warranty

FOMIUZY's left rear LED taillight assembly is a direct-fit replacement for the driver-side rear of 2015–2020 GMC Yukon and Yukon XL models, restoring brake, turn, running and reverse lighting to factory specifications.

Designed as a factory-equivalent replacement, this left driver-side taillight (OE numbers GM2800268 / 84536242 / 23380459) fits 2015–2018 GMC Yukon and Yukon XL submodels (Denali, SLE, SLT) and 2019–2020 Yukon/Yukon XL trims. Each unit ships new, factory-tested, and ready to install without custom wiring, so you can replace a faulty lamp quickly and safely. FOMIUZY backs this assembly with lifetime warranty service and customer support to address fit, function, or quality concerns.

How will this taillight restore my vehicle's lighting performance?

Replacing a worn or damaged taillight with this assembly returns all rear lighting functions to normal operation: tail, brake, turn signal and reverse. The prewired connector and direct-fit design match factory mounting points for straightforward installation.

• Complete, assembled left rear unit — no separate bulbs required
• Plug-and-play connector that aligns with OEM sockets
• Multiple lighting functions integrated in one housing
• Factory-tested for electrical and fit compatibility

Will this part fit my specific GMC Yukon or Yukon XL?

This taillight fits 2015–2018 GMC Yukon and Yukon XL models (Denali, SLE, SLT) and 2019–2020 Yukon/Yukon XL variations. Always verify your vehicle’s part number before ordering to ensure compatibility.

• Compatible OE references: GM2800268, 84536242, 23380459
• Confirmed fit for 2015–2018 and 2019–2020 model years listed
• Suitable for Denali, SLE, SLT trims where applicable
• Check your existing taillight part number to confirm match

What materials and build quality can I expect from this assembly?

The housing is manufactured from reinforced materials engineered to resist water intrusion, wear and corrosion, delivering a long service life under normal driving conditions. Factory-level testing ensures the unit meets or exceeds OEM spec for fit and function.

• Durable, weather-resistant lens and housing construction
• Corrosion-resistant fittings for longer lifespan
• Quality control tests for electrical continuity and sealing
• Designed for consistent light output across functions

What warranty and customer support come with this taillight?

FOMIUZY includes lifetime warranty service on this taillight assembly. If you encounter defects or failures, contact customer support for replacement or troubleshooting assistance.

• Lifetime warranty coverage against manufacturing defects
• Factory-tested units shipped new to customers
• Support response typically within 24 hours on business days
• Cost savings versus OEM dealer pricing with warranty protection

Who is this for: This left rear taillight assembly is ideal for GMC Yukon or Yukon XL owners (2015–2020 models) needing a reliable, cost-effective replacement for a cracked, faded, or non-functional driver-side taillight. It suits DIY installers and professional technicians who want a direct-fit, fully assembled unit that matches OEM specifications and restores all rear lighting functions without rewiring. Before purchasing, verify the part number on your existing taillight to confirm compatibility with GM2800268 / 84536242 / 23380459.