New Genuine OE GM Part Measures: 8-1/8 longest diagonal Confirm posted Glass Picture and Measurements to Yours These Trucks use a wide range of Mirrors Types (2020 Models 2 Options) Right Passenger Side Lower Mirror Glass w/ Rear Holder Models with 2 piece mirrors Tow Type Mirrors 2nd Design (Notched lens) *Fits Models without Camera in Notched Glass Area (for models w/ Camera Contact us) Convex New Body Style 15-20 Silverado / Sierra 2500 3500 (Note: Style Change 2020 Models) 14-18 Silverado Sierra 1500 Quick Easy Direct Snap Fit To Hub Installs in minutes