31754-ZY9-000 Regulator Gasket - Overview. The 31754-ZY9-000 Regulator Gasket is a crucial sealing component in Honda marine engine systems. It supports the regulator system by providing a watertight seal that prevents leaks and ensures consistent electrical performance. Designed to maintain the integrity of the engine's regulator, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Genuine OEM part designed specifically for Honda m