Reilauto Tail Light Assembly for 2016-2019 Chevy Silverado/GMC Sierra Left Drive-Side Red Lens with Bulb & Harness

Reilauto's left-side tail light assembly is a direct-fit replacement for select 2016–2019 Chevy Silverado and GMC Sierra trucks, supplied as a complete red lens unit with bulb and harness for fast plug-and-play swap.

This replacement tail lamp restores rear lighting function and appearance after damage, wear, or when upgrading from a broken OEM unit. Made to match GM part fitment for compatible model years, the assembly offers rugged plastic construction, high light transmittance, and weather-resistant seals. It arrives ready to install with the required bulb and harness in most applications, saving time and avoiding trips to the parts store.

What models and years will this Reilauto tail light fit?

This left drive-side rear tail light is designed for a range of Chevrolet and GMC full-size pickups. Check your truck's year and tail light type before purchasing—units with factory LED lighting are not compatible.

• Fits: 2014–2019 Chevy Silverado 1500/2500HD/3500HD (specific subyears noted).
• Fits: 2015–2019 GMC Sierra 3500HD with dual rear wheel configurations.
• Not compatible with factory LED tail light packages; some early models require original bulb and harness.
• OEM cross-reference: GM2800261 and 23431875 for correct applications.

How durable and weatherproof is the replacement assembly?

Reilauto manufactures this tail light from high-quality plastics engineered to meet OEM-style durability and optical clarity. The housing resists fading and shock, while sealing and material choice reduce moisture intrusion for reliable rear signaling in varied conditions.

• High light transmittance red lens for clear brake and tail visibility.
• Fade-resistant plastic resists UV degradation and road wear.
• Shockproof construction to withstand bumps and vibrations.
• Weatherproof seals help prevent water and dust ingress.

Is installation difficult and what’s included in the kit?

Installation is straightforward for most owners: this is a plug-and-play unit intended to swap into the factory location without major modifications. The kit comes with the necessary components for a typical replacement, and the package includes basic instructions to guide a quick install.

• Complete left-side assembly with lens, housing, and mounting points.
• Includes bulb and wiring harness for compatible models (some older years use original parts).
• Designed to align with factory inner and outer tail positions for correct fitment.
• Estimated install time: about 10 minutes for someone familiar with simple vehicle bodywork.

What warranty and support does Reilauto provide?

Reilauto backs this tail light assembly with a one-year unlimited-mileage guarantee and customer support to address fitment or quality concerns. If you encounter installation questions or defects, their support team is available to help resolve the issue promptly.

• One-year unlimited-mileage warranty from Reilauto for peace of mind.
• Customer support for fitment and installation inquiries.
• Built to OEM-style standards for consistent performance.

Who is this for? This Reilauto left tail light assembly is ideal for owners of compatible Chevy Silverado and GMC Sierra trucks who need a reliable, OEM-style replacement after a collision, lens crack, or long-term wear. It also suits DIY mechanics and fleet managers requiring rapid, cost-effective restoration of rear lighting with minimal installation time. Confirm your truck's model year and whether it uses factory LED tail lights before ordering to ensure proper compatibility.