15136-ZY9-000 Oil Pump Shaft - Overview. The 15136-ZY9-000 Oil Pump Shaft is a critical component within Honda marine engine systems. It plays an essential role in the oil pump assembly, transferring rotational power from the engine to the oil pump, thereby ensuring continuous and proper lubrication of internal engine parts. This seamless integration with existing parts maintains optimal performance and durability in your marine engine.. Key Features. Genuine OEM Honda part, ensuring perfect fit