Mercury - VesselView 403 4-Inch Kit SmartCraft Rigging Up to 2 Engines Black Finish 8M0124498. Overview. The Mercury VesselView 403 Kit (8M0124498) packs a lot of information into a small space. It's a complete kit, including the 4-inch glass display and harnessing, built for boaters who want real-time SmartCraft data in a compact, easy-to-read format. The screen supports up to two engines, showing everything from RPM and fuel flow to trim and battery voltage. It works with all SmartCraft-capabl