50155-ZV5-000 Mount (Lower) Rub - Overview. The 50155-ZV5-000 Mount (Lower) Rub is a genuine Honda rubber component specifically designed for the lower mounting in Honda marine engine systems. Its main role is to absorb vibrations and shocks, which helps ensure smoother engine operation and reduces stress on the engine components. This part plays a vital role in maintaining reliable performance in various Honda marine engines by providing solid yet flexible mounting support.. Key Features. OEM H