31647-ZVP-003 Slip Ring Seal - Overview. The 31647-ZVP-003 Slip Ring Seal is a vital component in Honda marine engine electrical systems. This genuine OEM rubber seal plays a key role in the slip ring assembly by preventing water intrusion and maintaining lubrication, which ensures a secure electrical connection and protects against corrosion. It supports the engine's electrical system, contributing to reliable engine operation and long-term durability. Designed to meet exact factory specificati