This high-quality oil seal is designed to fit Mercury #26-16977, 26-20465, and 26-79884 outboard engines with ease. It is made by OMC Johnson Evinrude, a trusted brand in the boating industry. With an inside diameter of .875" and an outside diameter of 1.250", this oil seal is the perfect replacement for your worn-out or damaged one. It is easy to install and comes with a width of 0.188". This product is a great addition to your boat parts collection and is perfect for those looking to maintain their outboard engine's performance. Don't miss out on this opportunity to enhance your boating experience.