【Vehicle Specific Design & Perfect Fitment】Driver Side Mirror Glass，compatible with 2014-2018 Silverado 1500,2015-2019 Silverado 2500 HD,2015-2019 Silverado 3500 HD，2014-2018 GMC Sierra 1500, 2015-2019 GMC Sierra 2500 HD, 2015-2019 GMC Sierra 3500 HD. Direct OEM replacement (OE# GM1324145 22919747) ensures seamless integration with factory mounts—no drilling or modifications needed. Restores clarity and safety with a precise, fit to eliminate loose mounting or gaps 【Heated Anti-Fog Mirror】Driver side mirror replacement built-in heating element quickly melts ice, frost, and fog for year-round visibility 【Durable Chrome Glass & ABS Backplate】 For GMC Sierra driver side mirror Shatter-resistant tempered glass with a reflective chrome finish resists scratches and UV damage. Reinforced ABS backplate withstands extreme temperatures (-40°F to 100°F) and vibrations, ensuring long-lasting durability even on rough roads 【OEM Design, Direct Fit】The rearview mirror for Silverado： front left driver side mirror，Convex glass，with backing plate heated mirror，Non auto-Dimming Function 【Easy 3-Minute Installation】 The Exterior Side View Convex Mirror for GMC Sierra Plug-and-play design matches OEM wiring harness—no professional tools required. Includes step-by-step instructions for hassle-free DIY replacement. Perfect for drivers tackling cracked glass, foggy surfaces, or stolen mirror emergencies Driver Side Heated Mirror Glass Replacement for Silverado/ GMC Sierra 1500 2500 HD 3500 HD 2014-2019 - Heated Left Mirrors With Backing Plate, Replaces GM1324145 22919747