This high-quality third brake light from Dorman is the perfect replacement for your GMC Sierra 2500 HD Heavy Duty or Hummer. It is certified by DOT and SAE. The lamp is designed to fit directly into your vehicle and has a red lens color.

The part number for this third brake light is 923-247 and it is compatible with a range of interchange part numbers including 2014 2013 2012 2011 2010 2009 2008 2007 GMC and Hummer models. The lamp has a height of 2.28 inches, a length of 15.75 inches, and a width of 3.93 inches. It also includes four bulbs and is designed to have a direct replacement fitment type. Upgrade your vehicle's lighting with this reliable and durable third brake light from Dorman.