11381-Zvl-B13 Oil Pan Gasket - Overview. The 11381-ZVL-B13 Oil Pan Gasket is a critical sealing component within Honda marine engine systems. It supports the oil pan system by creating a reliable seal between the oil pan and the engine block, preventing oil leaks that could compromise the engine's performance and longevity. Designed to maintain optimum sealing integrity, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. OEM genuin