If you have 10" light bar, round, or square auxiliary lighting, you'll find the Light Covers shape you need for your 2017-2019 Chevy/GMC 6.6L L5P Duramax. These Light Covers are constructed from durable materials such as polycarbonate plastic for unbeatable strength and durability. Available in an array of colors like yellow, red, blue, green, and black, you'll find covers to match your style, and needs. Protect your auxiliary lighting in your vehicle when you mount easy to install Light Covers from XDP.