Mercury - Cowling Decal Set 3.4L V6 175 Horsepower FourStroke Series Marine Adhesive Finish 8M0214844. Overview. A Mercury FourStroke has a way of becoming part of your routine-quiet mornings, long runs to your favorite spot, simple afternoons cruising with family. When the decals begin to fade or peel, the engine still performs, but the look doesn't quite reflect the pride you feel when you turn the key. This 175 Horsepower decal set brings back that fresh, confident appearance. It's the kind o