91204-ZW9-003 Oil Seal (26X45X7) - Overview. The 91204-ZW9-003 Oil Seal (26X45X7) is an essential component within the Honda marine engine systems. This oil seal supports the crankcase assembly by providing reliable sealing that prevents oil leakage and contamination, thus ensuring consistent engine operation and longevity. With precise dimensions of 26 mm inner diameter, 45 mm outer diameter, and 7 mm thickness, it ensures seamless integration with existing parts, maintaining optimal performanc