17625-ZV0-000 Fuel Cap Gasket - Overview. The 17625-ZV0-000 Fuel Cap Gasket is a vital component of Honda marine engine systems. This rubber gasket fits securely on the fuel cap, creating a watertight seal that prevents fuel vapor from escaping while keeping dirt and other contaminants out of the fuel tank. Essential in maintaining the integrity and safety of the fuel system, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Desig