90459-ZVD-000 Washer (25mm) - Overview. The 90459-ZVD-000 Washer (25MM) is a precision-engineered thrust washer designed for Honda marine engine systems. This part is crucial in the mechanical assembly, supporting thrust load and alignment within the engine to help maintain smooth operation and reliable performance. Manufactured to meet Honda's exacting specifications, this washer ensures a perfect fit in the specified marine engine assemblies, maintaining the integrity and functionality of key