Mercury - Latch Position Decal V6 & V8 Outboard Series OEM Adhesive Label 8M0148533. Overview. Every boater knows the value of small details that make life on the water easier. A clear, durable decal might not seem like much at first glance, but when you're getting ready to launch or secure your engine, that quick visual cue saves time and removes doubt. The Mercury Latch Position Decal, part number 8M0148533, is one of those little pieces you don't fully appreciate until you need it-and then yo