Find a wide variety of Lighting Accessories you need to install the auxiliary lighting on your 2017-2019 Chevy/GMC 6.6L L5P Duramax. Wiring harnesses, relays, switches, and noise canceling wind diffuser blades are just a few of the Lighting Accessories available. We have the Lighting Accessories you need, with brands like Anzo, ZROADZ, Recon, Oracle, Rigid Industries, and more. With the huge range of Lighting Accessories offered at XDP, installing auxiliary lighting on your 2017-2019 Chevy/GMC 6.6L L5P Duramax will be a simple task.