19220-ZVD-000 Impeller Housing - Overview. The 19220-ZVD-000 Impeller Housing is a crucial component within Honda marine engine water cooling systems. This genuine OEM part securely houses the impeller, directing water flow through the cooling system to prevent engine overheating. Engineered to exact factory specifications and tolerances, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Genuine OEM Honda Impeller Housing designed for water pump systems.. Encloses and protects the impeller to guide water flow effectively.. Precisely manufactured to match factory dimensions and tolerances for reliable sealing and fit.. Supports marine engine cooling system performance by maintaining proper water circulation.. Constructed to integrate cleanly with existing hardware and seals.. Helps maintain expected durability and operational feel consistent with Honda factory standards.. Why Choose Genuine OEM. Using original Honda parts