Boat motors may look simple or small from the outside, but inside they are very complex. And if you have it for a while, it’s almost guaranteed to need repairs. For that purpose, Overton’s has a large selection of boat motor parts and accessories, including these OEM fasteners. What does OEM mean? This just means that they are Original Equipment Manufacturer (OEM) parts, so they are made by a trusted brand just for your boat engine. Use our Marine Engine Parts Selector Tool to find the right engine parts for your boat.