A reliable oil seal might not be the most noticeable part of an engine, but it plays a critical role in keeping everything running smoothly. The Yamaha Oil Seal (SO Type) (93104-22M07-00) is designed to prevent oil leaks, maintain proper lubrication, and keep contaminants like dirt and water from creeping into sensitive areas. A worn or damaged seal can lead to increased friction, reduced performance, and even long-term engine damage-replacing it before issues arise ensures your outboard stays in peak condition.. Built for Long-Lasting Protection:. Exact OEM Fit - Engineered to Yamaha's specifications for a secure seal and leak-free performance.. Heavy-Duty Construction - Resists heat, pressure, and exposure to oil and harsh marine conditions.. Protects Engine Components - Keeps oil contained while blocking out debris and moisture.. Ignoring a worn oil seal can result in costly repairs and preventable wear on critical parts. Whether you're performing routine maintenance or replacing a