35655-ZY3-C01 Oxygen Sensor - Overview. The 35655-ZY3-C01 Oxygen Sensor is an essential component of the Honda marine engine system specifically designed to monitor the exhaust gases. As an OEM genuine part, it plays a crucial role in optimizing engine performance and improving fuel efficiency by ensuring the engine control system receives accurate data. Its precision design guarantees seamless integration with Honda marine engine hardware, maintaining optimal system performance and durability..