【OE Replacement】Driver side mirror replacement for GMC Sierra is high quality mirror glass, compatible with 2019-2021 Silverado 1500; 2019-2021 GMC Sierra 1500, with backing plate, side mirror accessories. Please check if your vehicle information matches the product model before buying. 【Blind Spot Detection】Mirrors for GMC Sierra 1500 built in blind spot detection , with blind-spot lights in the driver mirror for Silverado to monitor and alert your vehicle , minimizing the risks associated with lane changes. 【Heating System】Driver side mirror glass replacement for GMC Sierra is equipped with a reliable power heated system, providing rapid defrosting and fog, Keep the mirror for GMC Sierra clear visibility in all weather conditions. 【Upgraded Better Material】Mirrors are made of materials such as durable ABS back and chrome glass. This backplane material and glass mirror for GMC Sierra makes your mirror replacement stronger and provides a clearer view. 【Guarantee】Plug and play, directly and firmly install. We stand by the quality of our side mirror for GMC Sierra with a service guarantee, ensuring you have access to support and assistance for any issues. We offer 2 year WARRANTY, if the replacement for Silverado accessories has any problems, please contact us anytime. Driver Side Mirror Replacement For Silverado 1500 GMC Sierra 1500 2019-2021 -Side Mirror Glass Heated-Mirrors for Silverado W/ Blind Spot-Left Driver Side Mirror for GMC Sierra Accessories