A faulty gasket can cause all sorts of problems for your boat, so make sure you're using the best one available by ordering the Sierra Mercruiser Outdrive Gasket Set. This set includes all the gaskets you need to ensure a secure seal on your outdrive, including the upper and lower gaskets, as well as the O-rings for the gears and drive shafts.
Each gasket is made from durable materials that are built to last, so you can trust that they'll hold up under even the toughest conditions. Plus, because they're designed specifically for use with Mercruiser engines, you know you're getting a product that will work flawlessly every time.