Part 264239BK - SMOKED LED Tail Lights 3rd GEN 14-17 GMC SIERRA 1500 and 3rd GEN 15-17 2500/3500 Single Wheel ONLY with Factory OEM Halogen Tail Lights ONLY ATTN: THESE TAIL LIGHTS ONLY FIT the new 3rd GEN 2014-2017 1500 GMC Sierra and the new 3rd GEN 2015-2017 2500/3500 SINGLE WHEEL Heavy Duty GMC Sierra. If you drive a 2nd GEN 2014 GMC 2500/3500 HD, then you need part 264189BK, CL, RBK, or RD. Additionally, if you own a 3rd Gen 2015-2017 GMC Sierra Dually with 4 Rear Tires, then you need to order part 264238BK, CL, RBK, or RD as the 3rd Gen GMC dually tail light is the same shape and size as the 3rd Gen 2014-2017 Chevy Silverado tail light. This set of LED taillights does not come with LED reverse light bulbs. If you want white 3-Watt LED reverse light bulbs, please order a quantity of 1pc of part 264225WH as they are sold in pairs. ATTN: We now offer 6-watt ultra high power LED Reverse bulbs for this set of tail lights. Part number for the 6-watt reverse light bulbs is 264226WH. These bulbs are sold as a pair, so you only need to order a QTY of 1pc.