50310-ZW9-030ZB L NHB14M Bracket - Overview. The 50310-ZW9-030ZB L NHB14M Bracket is a precision-engineered mounting component essential for Honda marine engine systems. This bracket plays a critical role in providing robust support and secure attachment points within the boat's stern assembly, ensuring stability and reliable operation under marine conditions. With its aqua marine silver metallic finish (NHB14M), it not only offers functional durability but also maintains the aesthetic integrity