41102-ZW1-B00 Gear Case Grommet - Overview. The 41102-ZW1-B00 Gear Case Grommet is an essential rubber seal component designed for Honda marine engine systems, specifically supporting the gear case assembly. This grommet plays a crucial role in preserving the integrity of the gear case by preventing water ingress and maintaining a secure seal, ensuring reliable operation and protection against environmental elements. Engineered to exact factory specifications, this part ensures seamless integrat