90451-155-000 Washer (14mm) - Overview. The 90451-155-000 Washer (14mm) is a critical component in Honda marine engine systems. This OEM thrust washer provides reliable mechanical support and plays an essential role in maintaining proper axial load distribution within the engine or transmission assemblies of Honda marine equipment. Engineered to meet factory specifications, this washer ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features