63147-ZVP-000 Rr Seal - Overview. The 63147-ZVP-000 Rr Seal is an essential rubber seal used in Honda marine engine systems, specifically designed for rear middle cover sealing applications. This seal plays a crucial role in preventing water, debris, and contaminants from entering sensitive engine compartments, ensuring the system operates efficiently and reliably. By maintaining a tight barrier, it helps protect engine components from damage, contributing to the longevity and consistent perform