34902-259-003 Bulb (12V 3.4W) - Overview. The 34902-259-003 Bulb (12V 3.4W) is an essential component designed for use in Honda marine engine systems. This bulb provides reliable and consistent illumination crucial for the proper functioning of lighting systems such as dash lights or indicator lamps within marine equipment. Engineered to meet Honda's exact specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Genuine O