Mercury - Graphite Gray Accent Panel Kit V10 Verado Series Polycarbonate Finish 8M0203823. Overview. There is something special about seeing your outboards gleam in the sun as you pull away from the dock. The way the lines, colors, and curves come together can make the whole boat feel more complete - more "yours." The Mercury Graphite Gray Accent Panel Kit, part number 8M0203823, taps into that feeling perfectly. With its deep, refined tone and factory-painted finish, it gives your V10 Verado ou