Mercury - Pro Black Accent Panel Kit Outboard Styling Polycarbonate 8M0142209. Overview. There's something unmistakable about a well-cared-for boat-even before the engine turns over, you can sense the pride behind it. Updating your engine's look with the Mercury Pro Black Accent Panel Kit 8M0142209 brings that same feeling to your 4.6L V8 outboard. It is a small upgrade that makes a big visual difference, giving your engine a crisp, confident presence that feels right at home whether you fish sh