91204-ZV5-005 Oil Seal (25X40X7) - Overview. The 91204-ZV5-005 Oil Seal (25X40X7) is a critical component of the Honda marine engine systems, designed to maintain efficient operation by preventing oil leakage within the engine's sealing systems. This high-quality seal supports the lubrication system, ensuring oil is contained within the engine to protect moving parts and prevent contamination. Engineered to exact factory standards, it ensures seamless integration with existing parts, maintaining