15136-ZV1-000 Oil Pump Shaft - Overview. The 15136-ZV1-000 Oil Pump Shaft is a vital component within Honda marine engine systems, essential for powering the oil pump and ensuring consistent oil flow throughout the engine. By driving the oil pump, this shaft plays a crucial role in lubricating engine parts and reducing wear and tear, thereby maintaining optimal engine performance and reliability. Engineered to seamlessly integrate with existing engine assemblies, it ensures smooth operation and