Mercury - 350HP Rear Decal V10 SeaPro Series Weather-Resistant Marine Film 8M0204802. Overview. There's something special about a SeaPro engine. It's built for long days, early mornings, and the kind of work most motors never experience. When you walk past the transom and see that bold 350 horsepower mark, it's more than a number - it's a reminder of all the miles you've run and the confidence you've come to trust. Over time, sun, salt, and spray can wear down even the toughest decals, but a gen