91256-ZV1-003 Oil Seal (27.8X33X5) - Overview. The 91256-ZV1-003 Oil Seal (27.8X33X5) is an essential component in Honda marine engine systems. This oil seal plays a vital role in preventing oil leaks and contamination within the engine's mechanical systems. By providing a secure seal around rotating shafts, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Precision-engineered oil seal with dimensions 27.8 mm inner diameter, 33 m