Lathsy Tail Light Assembly for 2014–2015 GMC Sierra — Passenger Side Halogen, OE-Fit Sealed Housing

Lathsy passenger-side halogen tail light is a direct-fit replacement designed for 2014–2015 GMC Sierra 1500 and 2015 Sierra 2500HD/3500HD, matching OE fit and function.

This Lathsy tail light assembly replaces OE number 23424738 and is built to restore rear lighting performance after damage, wear, or upgrade. It ships as a plug-and-play halogen unit with preinstalled sockets for straightforward bulb connection. The housing is engineered with tight sealing to reduce water and fog intrusion under varied road and weather conditions. For best results, have a professional or follow a video guide for installation; no printed instructions are included.

Will this tail light fit my truck?

Yes — the Lathsy passenger-side tail light is manufactured to replace the factory unit on 2014–2015 GMC Sierra 1500 and 2015 Sierra 2500HD/3500HD models. It corresponds to OE part number 23424738 so it aligns with original mounting points, electrical plugs, and bulb types. Confirm your vehicle year and passenger-side orientation before ordering.

• Compatible models: 2014–2015 GMC Sierra 1500; 2015 Sierra 2500HD and 3500HD
• Direct-replacement for OE 23424738
• Passenger-side (right-side) assembly only

How difficult is installation and what’s included?

Installation is designed to be quick because the assembly uses the original mounting locations and includes bulb sockets for direct plug-and-play connection. No printed instructions are provided, so beginners should watch a vehicle-specific installation video or hire a professional installer. Expect basic hand tools and 15–30 minutes for an experienced DIYer.

• Includes: tail light assembly with bulb sockets
• Requires: basic tools, possible access to wiring harness clip
• Recommendation: view an online installation video or use professional service

How does the assembly handle weather and road conditions?

The Lathsy tail light features a sealed housing to help prevent water and condensation from entering the lens area, protecting bulbs and connectors. Durable materials and manufacturing tolerances reduce the chance of moisture-related failure and help maintain consistent light output over time. Properly sealed units extend service life in wet, salty, or humid environments.

• Good sealing to resist water and fogging
• Durable lens and housing construction
• Designed for typical road and weather exposures

What is your warranty and shipping protection?

Lathsy inspects and packages each tail light to minimize transit damage. If your assembly arrives damaged from shipping or fails to function on compatible vehicles, Lathsy will replace the unit. Reach out promptly with photos and order details to start the replacement process.

• Replacement available for shipping damage
• Support requires proof of damage or incompatibility
• Contact Lathsy customer service with order information

Who is this for: This Lathsy passenger-side tail light is ideal for GMC Sierra owners who need a reliable OEM-style replacement for the 2014–2015 1500 and 2015 2500HD/3500HD trucks. It suits body shops, restorers, and DIY mechanics seeking a direct-fit halogen assembly with solid sealing and straightforward electrical hookup. If you want a plug-and-play part that matches factory mounting and OE number 23424738, this assembly is a practical, cost-effective choice.