ECCPP Towing Mirrors for 14-17 for Chevy Silverado for GMC Sierra Tow Power Heated LED Signal Chrome Cover Mirror Fits select: 2014-2018 CHEVROLET SILVERADO

FITMENT - 2014-2017 for Chevy Silverado 1500/2500 HD/3500 HD,2014-2017 for GMC Sierra 1500,2015-2017 for GMC Sierra 2500 HD/3500 HD [2-Door Regular Cab | 4-Door Extended Cab | 4-Door Crew Cab] FUNCTION - manually and telescopically extend,Big Glass are power adjustable,with heated defrost function,Convex spotter glasses are manually adjustable NOTICE - This mirror is designed to replace an original mirror with these exact options. If you do not have the options listed, there is a possibility that this mirror may not function properly