37203-ZW5-000ZA V3 Bk Spdmeter 0-65 - Overview. The 37203-ZW5-000ZA V3 BK Speedometer 0-65 is an essential gauge designed specifically for Honda marine engine systems. This black face speedmeter provides precise speed measurement in the range of 0 to 65 mph (or knots), helping boaters monitor their vessel's speed accurately. As a critical component of the instrument cluster, it supports the marine system by delivering consistent and clear readouts, enabling safe and efficient operation on the wa