Best Seller | 1999-2006 GMC Sierra 1500 Third Brake Light - Anzo 531074 GMC Sierra 1500 Third Brake Light. Brand: Anzo. Fits Years: 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 99, 00, 01, 02, 03, 04, 05, 06. Third Brake Light Assembly -- LED; Clear Lens; Chrome Housing; B-Series; Classic Body Style Only - 531074 more | | $61.98 go to store |