91251-Z1V-003 Oil Seal (25X38X7) - Overview. The 91251-Z1V-003 Oil Seal (25X38X7) is a crucial marine engine component designed to provide a reliable seal in Honda marine engine systems. It supports the engine's rotating parts by preventing oil leaks and blocking contaminants from entering, thereby ensuring smooth and dependable operation of the equipment. Crafted to meet precise factory specifications, it ensures seamless integration with existing parts, maintaining optimal performance and dura