37303-ZW5-000ZA V3 Bk Fuel Gauge - Overview. The 37303-ZW5-000ZA V3 Bk Fuel Gauge is an essential component in Honda marine engine systems, specifically designed for monitoring fuel levels in boats. This highly reliable fuel gauge supports the fuel management system by providing accurate information about the fuel quantity remaining in your boat's inbuilt fuel tank. Designed to OEM standards, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Ke