Honda Engine Cover Seal 63102-ZVT-A10 - Overview. The Honda Engine Cover Seal 63102-ZVT-A10 is an OEM rubber gasket specifically designed to create a secure, watertight seal around the engine cover in Honda marine engine systems. This part plays a crucial role in safeguarding the engine compartment by preventing water intrusion and minimizing noise pollution, thus enhancing reliability during marine operation. Designed to perfectly fit Honda marine engines, it ensures seamless integration with e