Mercury - VesselView 403 Suncover Protective Screen Cover 8M6005019. Overview. Keep your VesselView 403 protected from sun and salt with the Mercury Suncover (8M6005019). This genuine Mercury cover snaps right over the 4-inch display to shield it from UV, spray, and dock rash when your boat's parked or stored. It fits tight, comes off easy, and helps your screen stay clear and scratch-free season after season.. Key Features. Exact Fit for VesselView 403 - Designed by Mercury for a perfect fit on