18222-881-000 Exhaust Seal Band - Overview. The 18222-881-000 Exhaust Seal Band is a critical component within Honda marine engine systems. It is designed to maintain the integrity of the exhaust sealing process in marine applications, ensuring that exhaust gases are properly contained and expelled without leaks. As a vital part of the exhaust system, it supports efficient engine operation and helps prevent damage due to gas escape or moisture intrusion. With precise engineering, it ensures seam