91251-ZW6-013 Seal (11X21X8) - Overview. The 91251-ZW6-013 Seal (11X21X8) is a crucial water seal component designed specifically for Honda marine engine systems. Its primary role is to prevent water leaks and protect internal engine parts from damage, ensuring reliable and efficient operation. Crafted to the exact factory specifications for dimensions and tolerances, this seal integrates seamlessly with other engine components, helping maintain optimal performance and durability.. Key Features. Precision-engineered water seal sized 11x21x8 mm.. Designed to prevent leakage and protect engine internals.. Genuine OEM Honda part ensuring quality and reliability.. Matches exact factory dimensions for proper fit and function.. Contributes to optimal water flow and sealing performance in marine engines.. Compatible with various Honda marine engines requiring this specification.. Why Choose Genuine OEM. Using original Honda parts such as the 91251-ZW6-013 Seal (11X21X8) ensures your marine en