These tow mirrors with power turn signal from YITAMOTOR are compatible with the 07-13 Chevy Silverado GMC Sierra.adjustment method:Power, color:Black, placement:Left, fold away:Manual fold, interchange part number:CH1321227, interchange part number:CH1320227, interchange part number:CH1320228, interchange part number:CH1321228, special features:Extendable, heated, material:Plastic, warranty:1 Year