90851-898-000 Rubber Tank Cushion - Overview. The 90851-898-000 Rubber Tank Cushion is a crucial component within Honda marine engine systems, designed to absorb vibrations and protect the fuel tank. This specialized rubber cushion supports the fuel system by stabilizing the tank, reducing wear from impact and engine motion. Crafted to meet Honda's factory specifications, this part ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Hi