The Johnson Evinrude OMC 0308876 Crankcase O-ring is a high-quality replacement part made by OMC specifically for outboard engines. This O-ring is designed to fit the crankcase of the engine, providing a secure seal to prevent leaks and ensure optimal performance. Manufactured with top-notch materials, this O-ring is a reliable component that will help maintain the engine's functionality for years to come. J250