【OEM Design & Direct Replacement & Fit Without Trimming】This Driver Side Mirror Replacement Glass is professionally designed as a direct replacement for 2014 2015 2016 2017 2018 2019 2020 2021 Ram Promaster 1500 2500 3500 Side View Driver Mirror Replacement Glass. Replace CH1320376. NOTE: 1.Incompatible with Extended Promaster mirrors. 2.Incompatible with Wide Promaster mirrors. 3.When you choice The Side Mirror Upper Glass, please check your side mirror to make sure it fits..【Better Glass Quality & Better Visibility】This Side Driver Mirror Replacement is made of high quality Glass and Acrylonitrile - Butadiene - Styrene (ABS) for clearer visibility, better durability and safety. Better glass brings a fog-free effect..【Left Driver Side Mirror Glass Replacement With Heated Function】 The glass back of this driver mirror replacement is designed with heated function, which can eliminate fog and melt ice and snow by heating from the inside out. NOTE: This Drivers Side View Mirror Has No Auto Dimming Function..【Easy Installation & You can complete the replacement in a few minutes】The same mounting point as the factory mirrors glass. Completely suitable for existing wires and interfaces. Before installation, the wiring harness must be unplugged from the existing backplane and inserted into the new backplane..【24 Month Warranty & You can buy it with confidence】Order this driver side mirror glass replacement from LOIYLLEN, we offer 24 month warranty. If you have any questions about our Left Side Rear View Mirror Glass, please feel free to contact us and we will provide you with technical support at any time.