14647-PY3-000 Inner Wave Washer - Overview. The 14647-PY3-000 Inner Wave Washer is a precise internal component pivotal to Honda marine engine systems. This component supports engine assembly by absorbing shock and minimizing vibration, which enhances the operational reliability and longevity of the engine. Its role is crucial in maintaining seamless mechanical motion and stable fit within the intake system.. Key Features. OEM: This washer is a Genuine Honda part, ensuring compliance with Honda'