Chevrolet PN: 13594523. Two (2) pre-owned OEM D5S 4300k xenon H.I.D headlight bulbs with built in ballast and igniter. Will fit xenon headlights with 25W HID low beam of 2016-2020 Chevrolet Silverado.
I order to replace the bulb on a 2016 Denali HD and the replacement ordered here not only was a perfect match but I ultimately purchased a pair for 1/3rd the cost of ONE from my local GM dealer, so I now have a spare. The replacment matches perfectly in appearance, performance, and color. Highly recommended