Exterior Components› Lights and Components

Morimoto

X3B LED Third Brake Light

$239.00

SKU: X3B45-MOR

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

The Morimoto X3B LED Third Brake Light is a high-performance lighting upgrade designed to replace your vehicle's OEM third brake light. It features pronounced 3D red brake light optics and a piano-black polycarbonate housing. The light utilizes powerful 3W LEDs with optically engineered rail-style optics to effectively illuminate the truck bed without dead spots.
Show original supplier description
The Morimoto X3B LED Third Brake Light offers a significant upgrade over conventional third brake lights, providing a modern, 3D look that complements aftermarket headlights and taillights. It is equipped with powerful 3W LEDs and specially designed optics to ensure the brake light is highly visible both day and night, while also illuminating the truck bed with clarity. Constructed with a durable piano-black polycarbonate housing, this brake light not only enhances aesthetics but also offers robust performance. Its plug-and-play harness simplifies installation, requiring no modifications for a quick and painless upgrade. The product meets all DOT and SAE regulations for compliance and safety. This third brake light is specifically designed to fit 2014-2018 Chevy Silverado/GMC Sierra 1500 and 2015-2018 Silverado/Sierra 2500/3500 models. It comes with a comprehensive five-year warranty, covering manufacturer defects in function, parts, and finish.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandMorimoto
Part NumberX3B45-MOR
CategoryExterior Components

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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