17384-ZY1-000 Muffler Plate Gskt - Overview. The 17384-ZY1-000 Muffler Plate Gskt is a crucial sealing component within Honda marine engine systems. Its primary role is to create a secure seal between the muffler and the engine's exhaust system, ensuring no exhaust leaks occur. This part supports the exhaust system by maintaining proper sealing, which is vital for efficient engine operation and preventing harmful emissions and noise leaks. Designed as a genuine OEM component, it fits precisely t