91351-ZV1-003 O-Ring (52Mm) - Overview. The 91351-ZV1-003 O-Ring (52Mm) is an essential sealing component used in Honda marine engine systems. It serves a critical function within the engine's propulsion and sealing assemblies, ensuring a watertight fit that prevents leaks and contamination. Crafted to meet exact factory specifications, this genuine part guarantees seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. High-quality OEM O-ring mea