37251-ZY6-U11 Cushion Rubber - Overview. The 37251-ZY6-U11 Cushion Rubber is a genuine Honda OEM part, designed specifically for Honda marine engine systems. This rubber cushion serves as a vital component to dampen vibrations and absorb shocks within the engine rigging assembly, which enhances the overall durability and performance of the marine engine. By reducing mechanical vibrations, it helps in maintaining smoother operation, minimizing wear and tear on other connected components. This par