91361-VD6-003 O-Ring (34X2.4) - Overview. The 91361-VD6-003 O-Ring (34X2.4) is a crucial sealing component designed for Honda marine engine systems. This O-Ring supports the fuel and engine system by preventing leaks and maintaining pressure integrity, essential for safe and efficient marine operation. Crafted to meet exact factory dimensions and tolerances, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Genuine OEM Honda O-Rin