11381-ZV5-004 Oil Pan Gasket - Overview. The 11381-ZV5-004 Oil Pan Gasket is an essential component of Honda marine engine systems. This gasket is specifically engineered to create a secure seal between the oil pan and the engine block, which prevents oil leaks and ensures the engine operates reliably and efficiently. Designed for use in Honda four-stroke marine engines, this part provides seamless integration with existing hardware and maintains optimal performance and durability.. Key Features