Fitment Information GMC Sierra 1500/2500/3500 (1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006) GMC Sierra Classic (2007) Specs & Features LED Tail Lights  Parking, brake/stop, signal bulb: LED Backup bulb: 3156 (not included) 2 x LB058 bolt-on resistors Socket: not included Lens material: acrylic (AC) Back housing material: polycarbonate (PC)  Black or Chrome Direct fit replacement for your OEM factory lights Weather sealed to keep water and dirt out Easy plug-n-play install Instant illumination - no need to wait for the lights to warm Bright LED's to add style and make your vehicle more visible Sold as a pair Product Description Spyder Tail Lights offer an updated look to your car or truck with the latest in lighting technology.  Each application is a direct bolt in replacement for your factory tail lights, making installation as easy as possible.   The quality lighting products offered by Spyder Auto are compliant with all applicable federal regulations. Unless otherwise noted, all products are D.O.T. Compliant and satisfy Federal Motor Vehicle Safety Standards (FMVSS) code no. 108 and are not only ISO-9000 certified but also ISO-9002 certified as well. As further proof of regulation compliance, Spyder products are also approved by the Society of Automotive Engineers (SAE). State and local laws may vary. Spyder offers a 1 year warranty on these tail lights when purchased through Redline360 (an Authorized Dealer).  Adding LED bulbs or any modifications to the lights voids warranty.