BELKEBIR LED Tail Light Assembly for 2015–2020 GMC Yukon/Yukon XL Left Driver Side — Plug-and-Play, IP67 Sealed

BELKEBIR's left-side LED tail light assembly is a direct-fit replacement for 2015–2020 GMC Yukon and Yukon XL models that restores full brake, turn, reverse, DRL and side marker functionality with no wiring modifications.

This left driver-side rear taillight by BELKEBIR is built as a plug-and-play replacement for a range of Yukon and Yukon XL years and trims, offering reliable illumination and a refreshed appearance. Manufactured with tough materials and sealed against the elements, it reproduces factory lighting functions while improving visibility for other road users. It comes with the required bulb installed and matches the original mounting points for a straightforward swap.

Which GMC models and years does this taillight fit?

This assembly is engineered to fit both standard and XL wheelbase versions of the GMC Yukon across mid-2010s to 2020 model years. It supports common trims such as Denali, SLE, and SLT and replaces several OEM part numbers for a correct match.

• Compatible with 2015–2018 Yukon (Denali, SLE, SLT) and 2019–2020 Yukon
• Compatible with 2015–2018 Yukon XL (Denali, SLE, SLT) and 2019–2020 Yukon XL
• Replaces OEM references 84536242, 23380459, GM2800268

How reliable is the light in wet or dusty conditions?

The housing and lens are manufactured to withstand exposure to water, dust and road debris, with full sealing that reduces fogging and ingress. An IP67-level of protection ensures continued operation during heavy rain and typical off-road environments.

• Durable ABS housing and clear polycarbonate lens
• Fully sealed construction to limit moisture and dirt entry
• Tested for reliable operation in adverse weather

What lighting functions are included and how bright are they?

This assembly supplies five standard light modes so every signaling need is covered: daytime running lights, brake lights, turn signal, reverse light, and LED side marker. The LED brake and marker elements deliver high-visibility output to help other drivers notice your vehicle quickly.

• Daytime running light (DRL) for improved daytime visibility
• Intense red brake illumination for clear signaling
• Blinking turn signal and white reverse light included
• Integrated LED side marker for lateral visibility

Will installation require cutting, splicing or extra parts?

Installation is designed to be straightforward and non-invasive—no cutting or extra wiring should be necessary for compatible vehicles. The unit arrives with the bulb and connectors matched to factory harnesses so you can perform a direct swap using OEM mounting points.

• Plug-and-play design—no additional wiring needed
• Includes bulb and factory-style connector
• Mounts to existing brackets and hardware

Who is this for: This BELKEBIR left taillight assembly is ideal for GMC Yukon and Yukon XL owners (2015–2020) who need a reliable OEM-style replacement after damage, wear or during an upgrade. It's also a good match for mechanics, body shops and DIY enthusiasts seeking an exact-fit, weather-resistant unit that restores full signaling capability without electrical modifications.