Replace your 2014-2017 GMC Sierra 1500 headlight with this genuine GM OEM HID/Xenon/LED headlight assembly for the driver side (left/LH) (OEM part #23130717). This direct-fit replacement is engineered to fit SL / SLE / SLT / Denali trims, matching factory specifications for a precise, plug-and-play installation. Restore crisp, road-legal LED output and OEM appearance with a refurbished OEM assembly backed by guaranteed fitment, fast shipping, and a hassle-free warranty on your GMC Sierra 1500.