Lathsy Tail Light for GMC Sierra 2014-2015 Passenger Side – Halogen, Plug-and-Play Replacement

Lathsy's passenger-side halogen tail light replaces OE 23424738 for 2014–2015 GMC Sierra 1500 and 2015 Sierra 2500HD/3500HD, offering a direct plug-and-play swap for a restored rear lighting assembly.

If your GMC Sierra's passenger-side taillight is cracked, fogged, or simply not functioning, this Lathsy replacement is built to match the vehicle fit and restore nighttime visibility and signaling. Designed to meet the original mounting points and electrical connections, the unit arrives with the halogen bulb pre-installed and the harness ready to plug in. The housing features improved sealing to reduce moisture intrusion and extend service life under varied weather conditions.

Will this Lathsy tail light fit my 2014 or 2015 GMC Sierra?

Yes — this assembly is manufactured to match the factory specifications for specific model years. It is intended as a direct replacement for the passenger-side tail light on the listed models, so it aligns with factory mounting tabs and electrical connectors.

• Compatible years: 2014–2015 GMC Sierra 1500
• Also fits: 2015 GMC Sierra 2500HD and 3500HD passenger side
• Replaces OE part number: 23424738
• No modifications required when matched to the correct model

How difficult is installation and what comes in the box?

Installation is straightforward for anyone familiar with basic vehicle light swaps: unbolt the old assembly, disconnect the harness, and reverse the steps. The Lathsy unit ships with the halogen bulb installed and the plug-ready connector so you can finish the job in minutes with common hand tools.

• Included: passenger-side tail light with pre-installed halogen bulb
• Plug-and-play electrical connector, no splicing required
• Installation time: typically minutes for experienced DIYers
• No printed instructions included—watch a model-specific video or use professional help if unsure

How does this tail light handle weather and road conditions?

The lens and housing are sealed to limit water and fog intrusion, helping maintain clear light output and preventing internal corrosion. The weather-resistant gasketing and molded seams are intended to stand up to rain, snow, and road spray encountered during normal vehicle use.

• Improved sealing reduces moisture build-up inside the lens
• Durable plastic housing resists road debris and UV exposure
• Factory-compatible bulb socket helps keep electrical contacts dry

What warranty or replacement support does Lathsy provide?

Lathsy offers replacement coverage if the tail light arrives damaged from shipping or fails to work on the vehicle as delivered. Contact customer service with photos and order details to initiate an exchange under the seller’s return policy.

• Replacement for shipping-damaged units
• Support available for non-working items upon arrival
• Keep order and vehicle information ready when contacting support

Who is this for: This Lathsy passenger-side tail light is a practical option for GMC Sierra owners who need a reliable, OEM-compatible replacement without modifying factory fittings. It suits DIY mechanics comfortable with simple light swaps, fleet managers maintaining multiple vehicles, and anyone replacing a cracked, fogged, or nonfunctional taillight on the specified 2014–2015 Sierra models. If you prefer professional installation, the unit’s OEM-style fit makes it quick for shops to install and return the truck to road-ready condition.