90134-ZV5-821 Screw Pan (5x20) - Overview. The 90134-ZV5-821 Screw Pan (5x20) is a critical hardware part designed for Honda marine engine systems. Its primary role is to provide secure and precise fastening in the assembly of engine components, maintaining the integrity and reliability required for optimal operation. Compatible with Honda-Active Marine systems, this screw supports the structural and functional stability of your equipment, ensuring seamless integration with existing parts and ma